| Abbreviation | Definition |
|---|---|
| ICBN | InteInternational CoCode of Botanical Nomenclature |
| ICBP | Integrated Cancer Biology Program |
| ICBP | Integrative Cancer Biology Program |
| ICBR | International Clinic of Biological Regeneration |
| ICCBS | International Center for Chemical and Biological Sciences |
| ICCBS | International Center for Chemical Biological Sciences |
| ICCBS | International Centre for Chemical and Biological Sciences |
| ICMB | Institute for Cellular and Molecular Biology |
| ICMB | Institute of Clinical Molecular Biology |
| ICMOB | International Conference on Marine Organisms and Biology |
| ICNCP | International Code of Nomenclature of Cultivated Plants |
| ICPB | International Conference on Plant Biology |
| ICRB | International Congress of Respiratory Biology |
| ICVB | Irish Centre for Vascular Biology |
| IDBC | International Deer Biology Congress |
| IDBD | International Day for Biological Diversity |
| IDBD | International Day of Biological Diversity |
| IEB | Inner Ear Biology |
| IEB | Integrative and Evolutionary Biology |
| IENL | Ileal Endogenous N Losses |