Home Forum Dictionary Articles Tutorials Books Directory Share your work

Biology-Online Dictionary

This is a completely open and editable dictionary which utilizes a WiKi concept, so that everybody can make a contribution.

Everyone is free to add and update content, so now you have a chance to add to the 60,000 terms already existing in our free dictionary. If you discover a term that you think should be in our dictionary, you can easily add it here

To make your contribution, you must first create a Biology-Online account. Registration is quick, completely free, and also allows you to participate in our discussion forums.

Sign up today!

Popular Pages


  1. Biology (433790)
  2. Branches of biology (283177)
  3. Haploid (261869)
  4. Cell (244930)
  5. Homologous chromosome (181763)
  6. Ribosome (160774)
  7. Ecosystem (132383)
  8. Smooth endoplasmic reticulum (123734)
  9. Isotonic (117294)
  10. Cilia (115352)
  11. Cell membrane (107648)
  12. Mitosis (105342)
  13. Cell wall (99682)
  14. Genetic variation (96664)
  15. Producer (90912)
  1. Fluid mosaic model (342272)
  2. Hypertonic (281569)
  3. Hypotonic (252616)
  4. Solute (225359)
  5. Diffusion (172728)
  6. Mitochondria (137395)
  7. Nucleus (131178)
  8. Allele (121349)
  9. Organism (116905)
  10. Biotic factor (114179)
  11. Species (107196)
  12. Active transport (105340)
  13. Gene (98264)
  14. Hyperosmotic (94668)
  15. Homozygous (89580)
  1. Diploid (292894)
  2. Homeostasis (269784)
  3. Concentration gradient (249846)
  4. ATP (182069)
  5. Plasma membrane (167349)
  6. Osmosis (133614)
  7. Natural selection (124601)
  8. Gamete (119330)
  9. Cytoplasm (116509)
  10. Biotic factors (112600)
  11. Photosynthesis (106444)
  12. Population (104119)
  13. Tissue (97618)
  14. Abiotic factor (91588)
  15. Lyse (89324)


This page was last modified 14:31, 24 December 2007. This page has been accessed 4,594,421 times. 
What links here | Related changes | Permanent link