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

  1. Biological Sciences Dictionary: [67191 words, 30Oct2006, More info]
  2. Botanical Name listing of Plants: [63341 words, 28Mar2010, More info]
  3. Cytokines & Cells Online Pathfinder Encyclopaedia: [21270 words, 20Oct2009, More info]
  4. PlanetMath Encyclopedia: [18025 words, 23Nov2009, More info]
  5. Eric Weisstein's World of Mathematics: [16183 words, 29Apr2008, More info]
  6. Dictionary of Botanical Epithets: [10248 words, 20Oct2009, More info]
  7. Archaeology Wordsmith: [9205 words, 14Mar2010, More info]
  8. A-Z of Plants: [6944 words, 20Oct2009, More info]
  9. Tico Ethnobotanical Dictionary: [6722 words, 14Mar2010, More info]
  10. Bryological: [5540 words, 25Sep2008, More info]
  11. Botanical Terms: [4409 words, 17Aug2009, More info]
  12. Extragalactic Astronomy: [4319 words, 20Oct2009, More info]
  13. Envirofacts Warehouse Chemical References Index: [3835 words, 23Jul2009, More info]
  14. BEILSTEIN Dictionary (Chemistry): [3455 words, 16Dec2009, More info]
  15. Eric Weisstein's World of Physics: [3020 words, 6Jul2009, More info]
  16. Agate Lexicon: [3000 words, 29Oct2009, More info]
  17. Illustrated Glossary of Agate Terms: [3000 words, 23Jan2009, More info]
  18. Agricultural Thesaurus and Glossary: [2643 words, 14Mar2010, More info]
  19. FOLDOP - Free On Line Dictionary Of Philosophy: [2441 words, 12Feb2010, More info]
  20. Mathematisches W?rterbuch: [2243 words, 20May2008, More info]
  21. How Many? A Dictionary of Units of Measurement: [2233 words, 18Jan2010, More info]
  22. A Dictionary of Quaternary Acronyms and Abbreviations: [2204 words, 17Nov2009, More info]
  23. Anthropology dictionary: [1774 words, 17Nov2009, More info]
  24. A Glossary of Mathematical Terms: [1661 words, 9Sep2009, More info]
  25. mda Archaeological Objects Thesaurus: [1631 words, 24Sep2008, More info]
  26. Drug Discovery and Development: [1589 words, 20Jun2009, More info]
  27. HYPP Zoology: [1385 words, 20Oct2009, More info]
  28. A German-to-English dictionary for algebra students: [1377 words, 31Jan2010, More info]
  29. Bird On!: [1224 words, 30May2009, More info]
  30. Diccionario de la contaminación: [1218 words, 29Aug2002, More info]
  31. Glossary of Roots of Botanical Names: [1132 words, 23Nov2009, More info]
  32. Fish: [1117 words, 17Aug2009, More info]
  33. Electrochemistry Dictionary: [1030 words, 6Jul2009, More info]
  34. General Chemistry Online: [1029 words, 20Oct2009, More info]
  35. Zoom Astronomy Glossary: [959 words, 16Feb2010, More info]
  36. A Modern Herbal, 1931, by Mrs. M. Grieve: [901 words, 30May2009, More info]
  37. Environmental Terminology Discovery Service: [845 words, 23Jul2009, More info]
  38. Illustrated Glossary of Geologic Terms: [797 words, 25May2008, More info]
  39. Weather Glossary: [797 words, 12Feb2010, More info]
  40. Flora of New South Wales: [782 words, 20Oct2009, More info]
  41. Dave's Math Tables: English-Spanish Dictionary: [777 words, 16Dec2009, More info]
  42. MathVoc: [748 words, 16Dec2009, More info]
  43. The Orchid Lady's Illustrated Orchid Encyclopedia: [728 words, 20Oct2009, More info]
  44. Natural History Terms: [692 words, 15Jan2010, More info]
  45. Mathematical Programming: [691 words, 17Aug2009, More info]
  46. Eric Weisstein's World of Astronomy: [672 words, 6Jul2009, More info]
  47. The Mineral Gallery: [625 words, 11Sep2009, More info]
  48. Chemistry Dictionary: [599 words, 30Mar2010, More info]
  49. Chemicool Chemistry Dictionary: [597 words, 20Oct2009, More info]
  50. WebElements Periodic Table of the Elements: [576 words, 19Dec2009, More info]
  51. WashingtonPost.com: Weather: [573 words, 23Dec2001, More info]
  52. Glossary of Entomology: [570 words, 17Nov2009, More info]
  53. Fishkeeping glossary: [559 words, 17Nov2009, More info]
  54. Evolution Glossary: [543 words, 14Nov2009, More info]
  55. Eric Weisstein's World of Chemistry: [534 words, 6Jul2009, More info]
  56. On-Line Biology Book: GLOSSARY: [533 words, 24Sep2008, More info]
  57. LITTLE EXPLORERS(TM) Picture Dictionary: [516 words, 19Nov2009, More info]
  58. NRC Glossary of Nuclear Terms --: [493 words, 17Nov2009, More info]
  59. MATH SPOKEN HERE!: [479 words, 20Oct2009, More info]
  60. AGRICULTURAL AND ENVIRONMENTAL BIOTECHNOLOGY: [459 words, 11Feb2010, More info]
  61. Visionary, for the Study of Vision: [445 words, 18Jun2009, More info]
  62. GENETIQUE MOLECULAIRE - GENIE GENETIQUE: [433 words, 20Oct2009, More info]
  63. Material Safety Data Sheets HyperGlossary: [411 words, 11Sep2009, More info]
  64. Prime: [406 words, 29Jan2010, More info]
  65. Glossary of Pollen and Spore Terminology -: [390 words, 25May2008, More info]
  66. Atmospheric Chemistry and Air Quality: [390 words, 19Dec2009, More info]
  67. Fundamental Statistics for the Behavioral Sciences: [388 words, 22Dec2009, More info]
  68. Genetics Glossary: [384 words, 14Sep2006, More info]
  69. DOE Genome Glossary: [380 words, 17Aug2009, More info]
  70. Geography Dictionary: [321 words, 15Jan2010, More info]
  71. PHYSICAL ORGANIC CHEMISTRY: [320 words, 17Aug2009, More info]
  72. Garden Flower, Shrub and Tree Glossary: [311 words, 11Sep2009, More info]
  73. GEOGRAPHIC: [303 words, 12Mar2008, More info]
  74. From Stargazers to Starships Glossary: [301 words, 23May2009, More info]
  75. Underwater Archaeology Glossary: [299 words, 22Dec2009, More info]
  76. Dinosaurs from A-Z: [297 words, 11Sep2009, More info]
  77. Dictionary of Horticultural Terms: [295 words, 6Jul2009, More info]
  78. Plant Common Names in English & Spanish: [295 words, 11Sep2009, More info]
  79. The Computational Beauty of Nature: [284 words, 20Oct2009, More info]
  80. Imagine the Universe! Dictionary: [277 words, 11Sep2009, More info]
  81. Tree of Life Glossary: [276 words, 17Aug2009, More info]
  82. LITHICS-NET's Glossary of Lithics Terminology: [273 words, 29Nov2009, More info]
  83. Anthropological Terms: [273 words, 17Nov2009, More info]
  84. Lithics Terminology (Archaeology): [249 words, 12Mar2008, More info]
  85. Solar Radiation Resource Terms: [235 words, 26Jul2009, More info]
  86. Glossary of Avian Terms For Use in Avian Conservation Biology: [235 words, 19Jan2010, More info]
  87. Biology dictionary: [232 words, 6Jul2009, More info]
  88. Danish Whale Dictionary: [227 words, 6Jul2009, More info]
  89. Dictionary of Geology: [217 words, 20Oct2009, More info]
  90. Nine Planets Glossary: [215 words, 20Oct2009, More info]
  91. GreenWeb Gardening Glossary: [212 words, 17Aug2009, More info]
  92. Glossary of Genetic Terms: [197 words, 15Nov2008, More info]
  93. Earthquake Image Glossary: [189 words, 6Jul2009, More info]
  94. Game Theory Dictionary: [184 words, 17Aug2009, More info]
  95. Statistics: [162 words, 16Dec2009, More info]
  96. UNCChem Glossary: [161 words, 16Dec2009, More info]
  97. Accelerator Glossary: [161 words, 16Dec2009, More info]
  98. Archeological Collections Glossary: [148 words, 20Oct2009, More info]
  99. GLOSSARY OF ORDINATION-RELATED TERMS: [139 words, 20Oct2009, More info]
  100. Biological Control: [133 words, 20Oct2009, More info]
  101. Evolution Glossary: [126 words, 20Oct2009, More info]
  102. Misunderstood Physics Terms: [126 words, 20Jun2009, More info]
  103. Cacti-Related Terminology: [123 words, 18Jun2009, More info]
  104. Glossary of Flowers: [110 words, 15Apr2008, More info]
  105. Medicinal Chemistry: [110 words, 20Oct2009, More info]
  106. Dictionary of anthropology: [109 words, 20Oct2009, More info]
  107. USGS Paleontology Glossary of Terms: [107 words, 16Nov2009, More info]
  108. Rhododendron Glossary: [106 words, 17Aug2009, More info]
  109. Dictionary of anthropology: [105 words, 30May2009, More info]
  110. Statistics (in particular, re-randomisation statistics): [105 words, 11Sep2009, More info]
  111. Biodiversity: [105 words, 11Feb2009, More info]
  112. ORCHID GLOSSARY: [97 words, 6Jul2009, More info]
  113. Weathervane (Global Climate Policy): [90 words, 12Nov2006, More info]
  114. Physic and Astronomy Glossary: [83 words, 17Nov2009, More info]
  115. GLOSSARY of ARCHAEOLOGICAL TERMS: [77 words, 24Sep2008, More info]
  116. Glossary of chlorine and other chemical related terms: [77 words, 20Oct2009, More info]
  117. Field Trip to Mars: [74 words, 6Jul2009, More info]
  118. Mussel Glossary: [65 words, 20Oct2009, More info]
  119. Age of Exploration Vocabulary: [61 words, 15Nov2008, More info]
  120. Dinosaurs: [57 words, 20Jun2009, More info]
  121. Glossary of Earthquake and Related Terminology: [53 words, 14Mar2010, More info]
  122. DRAGONFLY TERMS: [53 words, 20Jun2009, More info]
  123. Internet Glossary of Statistical Terms: [53 words, 17Aug2009, More info]
  124. Glossary of Common Tree Terms: [47 words, 18Jun2009, More info]
  125. National Hurrican Center: [47 words, 20Oct2009, More info]
  126. Visual of Special Plane Curves: [42 words, 30May2009, More info]
  127. Mars Glossary: [42 words, 20Oct2009, More info]
  128. Math, geometry, trigonometry, and scientific terms: [38 words, 11Sep2006, More info]
  129. Graph Theory: [35 words, 22Dec2009, More info]
  130. Glossary on Meteor Astronomy: [32 words, 17Aug2009, More info]
  131. Twister: [32 words, 29Aug2002, More info]
  132. The Pet Bird Page (Parrots): [31 words, 14Mar2010, More info]
  133. Tsunami Terminology: [30 words, 16Dec2009, More info]
  134. Hurricane and Tropical Cyclone Glossary: [19 words, 17Aug2009, More info]
  135. EARLY PRIMATE EVOLUTION: [14 words, 16Dec2009, More info]
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19,633,003 words in 1061 dictionaries indexed