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Science dictionaries and glossaries indexed by the OneLook® search engine that include English:

  1. Biological Sciences Dictionary: Includes definitions (English) [67191 words, 30Oct2006, More info]
  2. Botanical Name listing of Plants: Includes definitions (English), illustrations, data [63341 words, 28Mar2010, More info]
  3. Cytokines & Cells Online Pathfinder Encyclopaedia: Includes definitions (English) [21270 words, 20Oct2009, More info]
  4. PlanetMath Encyclopedia: Includes definitions (English) [18025 words, 23Nov2009, More info]
  5. Eric Weisstein's World of Mathematics: Includes definitions (English), illustrations, animations [16183 words, 29Apr2008, More info]
  6. Dictionary of Botanical Epithets: Includes definitions (English), translations (English, Latin) [10248 words, 20Oct2009, More info]
  7. Archaeology Wordsmith: Includes definitions (English), sound pronunciations [9205 words, 14Mar2010, More info]
  8. A-Z of Plants: Includes definitions (English), illustrations, data [6944 words, 20Oct2009, More info]
  9. Tico Ethnobotanical Dictionary: Includes translations (English, Spanish) [6722 words, 14Mar2010, More info]
  10. Bryological: Includes definitions (English), translations (English, French, German, Spanish, Latin) [5540 words, 25Sep2008, More info]
  11. Botanical Terms: Includes definitions (English) [4409 words, 17Aug2009, More info]
  12. Extragalactic Astronomy: Includes definitions (English) [4319 words, 20Oct2009, More info]
  13. Envirofacts Warehouse Chemical References Index: Includes definitions (English) [3835 words, 23Jul2009, More info]
  14. BEILSTEIN Dictionary (Chemistry): Includes translations (English, German) [3455 words, 16Dec2009, More info]
  15. Eric Weisstein's World of Physics: Includes definitions (English), illustrations, animations [3020 words, 6Jul2009, More info]
  16. Agate Lexicon: Includes definitions (English) [3000 words, 29Oct2009, More info]
  17. Illustrated Glossary of Agate Terms: Includes definitions (English), illustrations [3000 words, 23Jan2009, More info]
  18. Agricultural Thesaurus and Glossary: Includes definitions (English, Spanish), translations (English, Spanish) [2643 words, 14Mar2010, More info]
  19. FOLDOP - Free On Line Dictionary Of Philosophy: Includes definitions (English) [2441 words, 12Feb2010, More info]
  20. Mathematisches W?rterbuch: Includes translations (English, German) [2243 words, 20May2008, More info]
  21. How Many? A Dictionary of Units of Measurement: Includes definitions (English) [2233 words, 18Jan2010, More info]
  22. A Dictionary of Quaternary Acronyms and Abbreviations: Includes definitions (English) [2204 words, 17Nov2009, More info]
  23. Anthropology dictionary: Includes definitions (English) [1774 words, 17Nov2009, More info]
  24. A Glossary of Mathematical Terms: Includes definitions (English), illustrations [1661 words, 9Sep2009, More info]
  25. mda Archaeological Objects Thesaurus: Includes definitions (English) [1631 words, 24Sep2008, More info]
  26. Drug Discovery and Development: Includes definitions (English) [1589 words, 20Jun2009, More info]
  27. HYPP Zoology: Includes definitions (English, French), translations (English, French) [1385 words, 20Oct2009, More info]
  28. A German-to-English dictionary for algebra students: Includes translations (English, German) [1377 words, 31Jan2010, More info]
  29. Bird On!: Includes definitions (English) [1224 words, 30May2009, More info]
  30. Diccionario de la contaminación: Includes definitions (Spanish), translations (English, Spanish) [1218 words, 29Aug2002, More info]
  31. Glossary of Roots of Botanical Names: Includes definitions (English) [1132 words, 23Nov2009, More info]
  32. Fish: Includes translations (English, Icelandic, Latin, Norwegian, Danish, French) [1117 words, 17Aug2009, More info]
  33. Electrochemistry Dictionary: Includes definitions (English) [1030 words, 6Jul2009, More info]
  34. General Chemistry Online: Includes definitions (English), illustrations, sound pronunciations [1029 words, 20Oct2009, More info]
  35. Zoom Astronomy Glossary: Includes definitions (English), illustrations [959 words, 16Feb2010, More info]
  36. A Modern Herbal, 1931, by Mrs. M. Grieve: Includes definitions (English), synonyms [901 words, 30May2009, More info]
  37. Environmental Terminology Discovery Service: Includes definitions (English) [845 words, 23Jul2009, More info]
  38. Illustrated Glossary of Geologic Terms: Includes definitions (English), illustrations [797 words, 25May2008, More info]
  39. Weather Glossary: Includes definitions (English) [797 words, 12Feb2010, More info]
  40. Flora of New South Wales: Includes definitions (English) [782 words, 20Oct2009, More info]
  41. Dave's Math Tables: English-Spanish Dictionary: Includes translations (English, Spanish) [777 words, 16Dec2009, More info]
  42. MathVoc: Includes translations (English, French, Spanish) [748 words, 16Dec2009, More info]
  43. The Orchid Lady's Illustrated Orchid Encyclopedia: Includes definitions (English), illustrations [728 words, 20Oct2009, More info]
  44. Natural History Terms: Includes definitions (English) [692 words, 15Jan2010, More info]
  45. Mathematical Programming: Includes definitions (English) [691 words, 17Aug2009, More info]
  46. Eric Weisstein's World of Astronomy: Includes definitions (English), illustrations, animations [672 words, 6Jul2009, More info]
  47. The Mineral Gallery: Includes definitions (English), illustrations [625 words, 11Sep2009, More info]
  48. Chemistry Dictionary: Includes definitions (English) [599 words, 30Mar2010, More info]
  49. Chemicool Chemistry Dictionary: Includes definitions (English) [597 words, 20Oct2009, More info]
  50. WebElements Periodic Table of the Elements: Includes definitions (English), translations (English, French, German, Italian, Spanish), sound pronunciations, data, origins [576 words, 19Dec2009, More info]
  51. WashingtonPost.com: Weather: Includes definitions (English) [573 words, 23Dec2001, More info]
  52. Glossary of Entomology: Includes definitions (English) [570 words, 17Nov2009, More info]
  53. Fishkeeping glossary: Includes definitions (English) [559 words, 17Nov2009, More info]
  54. Evolution Glossary: Includes definitions (English) [543 words, 14Nov2009, More info]
  55. Eric Weisstein's World of Chemistry: Includes definitions (English), illustrations, animations [534 words, 6Jul2009, More info]
  56. On-Line Biology Book: GLOSSARY: Includes definitions (English) [533 words, 24Sep2008, More info]
  57. LITTLE EXPLORERS(TM) Picture Dictionary: Includes definitions (English), translations (English, French, German, Portuguese, Spanish, Japanese), illustrations, sound pronunciations, example phrases, reverse lookup [516 words, 19Nov2009, More info]
  58. NRC Glossary of Nuclear Terms --: Includes definitions (English) [493 words, 17Nov2009, More info]
  59. MATH SPOKEN HERE!: Includes definitions (English), illustrations, sound pronunciations, example phrases, phonic pronunciations [479 words, 20Oct2009, More info]
  60. AGRICULTURAL AND ENVIRONMENTAL BIOTECHNOLOGY: Includes definitions (English) [459 words, 11Feb2010, More info]
  61. Visionary, for the Study of Vision: Includes definitions (English), illustrations [445 words, 18Jun2009, More info]
  62. GENETIQUE MOLECULAIRE - GENIE GENETIQUE: Includes definitions (French), translations (English, French) [433 words, 20Oct2009, More info]
  63. Material Safety Data Sheets HyperGlossary: Includes definitions (English) [411 words, 11Sep2009, More info]
  64. Prime: Includes definitions (English) [406 words, 29Jan2010, More info]
  65. Glossary of Pollen and Spore Terminology -: Includes definitions (English), illustrations [390 words, 25May2008, More info]
  66. Atmospheric Chemistry and Air Quality: Includes definitions (English) [390 words, 19Dec2009, More info]
  67. Fundamental Statistics for the Behavioral Sciences: Includes definitions (English) [388 words, 22Dec2009, More info]
  68. Genetics Glossary: Includes definitions (English) [384 words, 14Sep2006, More info]
  69. DOE Genome Glossary: Includes definitions (English) [380 words, 17Aug2009, More info]
  70. Geography Dictionary: Includes definitions (English) [321 words, 15Jan2010, More info]
  71. PHYSICAL ORGANIC CHEMISTRY: Includes definitions (English), illustrations [320 words, 17Aug2009, More info]
  72. Garden Flower, Shrub and Tree Glossary: Includes definitions (English), illustrations [311 words, 11Sep2009, More info]
  73. GEOGRAPHIC: Includes definitions (English) [303 words, 12Mar2008, More info]
  74. From Stargazers to Starships Glossary: Includes definitions (English) [301 words, 23May2009, More info]
  75. Underwater Archaeology Glossary: Includes definitions (English, Swedish), illustrations [299 words, 22Dec2009, More info]
  76. Dinosaurs from A-Z: Includes definitions (English), synonyms, illustrations, phonic pronunciations, sound pronunciations, origins [297 words, 11Sep2009, More info]
  77. Dictionary of Horticultural Terms: Includes definitions (English) [295 words, 6Jul2009, More info]
  78. Plant Common Names in English & Spanish: Includes translations (English, Spanish) [295 words, 11Sep2009, More info]
  79. The Computational Beauty of Nature: Includes definitions (English) [284 words, 20Oct2009, More info]
  80. Imagine the Universe! Dictionary: Includes definitions (English) [277 words, 11Sep2009, More info]
  81. Tree of Life Glossary: Includes definitions (English), illustrations [276 words, 17Aug2009, More info]
  82. LITHICS-NET's Glossary of Lithics Terminology: Includes definitions (English) [273 words, 29Nov2009, More info]
  83. Anthropological Terms: Includes definitions (English) [273 words, 17Nov2009, More info]
  84. Lithics Terminology (Archaeology): Includes definitions (English) [249 words, 12Mar2008, More info]
  85. Solar Radiation Resource Terms: Includes definitions (English), illustrations [235 words, 26Jul2009, More info]
  86. Glossary of Avian Terms For Use in Avian Conservation Biology: Includes definitions (English) [235 words, 19Jan2010, More info]
  87. Biology dictionary: Includes definitions (English) [232 words, 6Jul2009, More info]
  88. Danish Whale Dictionary: Includes translations (English, Danish) [227 words, 6Jul2009, More info]
  89. Dictionary of Geology: Includes definitions (English) [217 words, 20Oct2009, More info]
  90. Nine Planets Glossary: Includes definitions (English) [215 words, 20Oct2009, More info]
  91. GreenWeb Gardening Glossary: Includes definitions (English) [212 words, 17Aug2009, More info]
  92. Glossary of Genetic Terms: Includes definitions (English), phonic pronunciations [197 words, 15Nov2008, More info]
  93. Earthquake Image Glossary: Includes definitions (English), illustrations [189 words, 6Jul2009, More info]
  94. Game Theory Dictionary: Includes definitions (English) [184 words, 17Aug2009, More info]
  95. Statistics: Includes definitions (English), illustrations [162 words, 16Dec2009, More info]
  96. UNCChem Glossary: Includes definitions (English) [161 words, 16Dec2009, More info]
  97. Accelerator Glossary: Includes definitions (English) [161 words, 16Dec2009, More info]
  98. Archeological Collections Glossary: Includes definitions (English) [148 words, 20Oct2009, More info]
  99. GLOSSARY OF ORDINATION-RELATED TERMS: Includes definitions (English) [139 words, 20Oct2009, More info]
  100. Biological Control: Includes definitions (English) [133 words, 20Oct2009, More info]
  101. Evolution Glossary: Includes definitions (English) [126 words, 20Oct2009, More info]
  102. Misunderstood Physics Terms: Includes definitions (English) [126 words, 20Jun2009, More info]
  103. Cacti-Related Terminology: Includes definitions (English), synonyms, illustrations, data [123 words, 18Jun2009, More info]
  104. Glossary of Flowers: Includes definitions (English), illustrations, data [110 words, 15Apr2008, More info]
  105. Medicinal Chemistry: Includes definitions (English) [110 words, 20Oct2009, More info]
  106. Dictionary of anthropology: Includes definitions (English) [109 words, 20Oct2009, More info]
  107. USGS Paleontology Glossary of Terms: Includes definitions (English) [107 words, 16Nov2009, More info]
  108. Rhododendron Glossary: Includes definitions (English) [106 words, 17Aug2009, More info]
  109. Dictionary of anthropology: Includes definitions (English) [105 words, 30May2009, More info]
  110. Statistics (in particular, re-randomisation statistics): Includes definitions (English) [105 words, 11Sep2009, More info]
  111. Biodiversity: Includes definitions (English) [105 words, 11Feb2009, More info]
  112. ORCHID GLOSSARY: Includes definitions (English) [97 words, 6Jul2009, More info]
  113. Weathervane (Global Climate Policy): Includes definitions (English), translations (English, French, German, Italian, Portuguese, Spanish, Danish, Dutch, Finnish, Hebrew, Korean, Latin, Norwegian, Swedish) [90 words, 12Nov2006, More info]
  114. Physic and Astronomy Glossary: Includes definitions (English) [83 words, 17Nov2009, More info]
  115. GLOSSARY of ARCHAEOLOGICAL TERMS: Includes definitions (English) [77 words, 24Sep2008, More info]
  116. Glossary of chlorine and other chemical related terms: Includes definitions (English) [77 words, 20Oct2009, More info]
  117. Field Trip to Mars: Includes definitions (English) [74 words, 6Jul2009, More info]
  118. Mussel Glossary: Includes definitions (English) [65 words, 20Oct2009, More info]
  119. Age of Exploration Vocabulary: Includes definitions (English) [61 words, 15Nov2008, More info]
  120. Dinosaurs: Includes definitions (English) [57 words, 20Jun2009, More info]
  121. Glossary of Earthquake and Related Terminology: Includes definitions (English) [53 words, 14Mar2010, More info]
  122. DRAGONFLY TERMS: Includes definitions (English) [53 words, 20Jun2009, More info]
  123. Internet Glossary of Statistical Terms: Includes definitions (English), illustrations [53 words, 17Aug2009, More info]
  124. Glossary of Common Tree Terms: Includes definitions (English) [47 words, 18Jun2009, More info]
  125. National Hurrican Center: Includes definitions (English) [47 words, 20Oct2009, More info]
  126. Visual of Special Plane Curves: Includes definitions (English), illustrations, origins [42 words, 30May2009, More info]
  127. Mars Glossary: Includes definitions (English) [42 words, 20Oct2009, More info]
  128. Math, geometry, trigonometry, and scientific terms: Includes translations (English, Turkish), sound pronunciations [38 words, 11Sep2006, More info]
  129. Graph Theory: Includes definitions (English), illustrations [35 words, 22Dec2009, More info]
  130. Glossary on Meteor Astronomy: Includes definitions (English) [32 words, 17Aug2009, More info]
  131. Twister: Includes definitions (English) [32 words, 29Aug2002, More info]
  132. The Pet Bird Page (Parrots): Includes definitions (English), illustrations [31 words, 14Mar2010, More info]
  133. Tsunami Terminology: Includes definitions (English) [30 words, 16Dec2009, More info]
  134. Hurricane and Tropical Cyclone Glossary: Includes definitions (English) [19 words, 17Aug2009, More info]
  135. EARLY PRIMATE EVOLUTION: Includes definitions (English), illustrations, sound pronunciations [14 words, 16Dec2009, More info]
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18,955,870 words in 1061 dictionaries indexed