| COMETOLOGY | • cometology n. The branch of astronomy that deals with comets. • COMETOLOGY n. the study of comets. |
| DEONTOLOGY | • deontology n. (Ethics) Ethics. • deontology n. (Ethics) The normative ethical position that judges the morality of an action based on the action’s… • DEONTOLOGY n. the theory or study of moral obligation. |
| ENTOMOLOGY | • entomology n. The scientific study of insects, and (informal) of other arthropods (and occasionally other invertebrates). • ENTOMOLOGY n. the study of insects. |
| GNOTOBIOTE | • gnotobiote n. Alternative form of gnotobiont. • GNOTOBIOTE n. a germfree animal. |
| GOOSEFOOTS | • goosefoots n. Plural of goosefoot. • GOOSEFOOT n. a genus of herbs, mostly annual weeds. |
| HEORTOLOGY | • heortology n. The study of religious festivals. • HEORTOLOGY n. the study of religious feasts. |
| HOMOLOGATE | • homologate v. (Transitive) To confirm, ratify or approve, especially officially or legally. • HOMOLOGATE v. to sanction, allow esp. officially. |
| HOMOZYGOTE | • homozygote n. (Genetics) A diploid individual that has equal alleles at one or more genetic loci. • HOMOZYGOTE n. an organism or cell having the same alleles for a particular inherited characteristic. |
| ODONTOGENY | • odontogeny n. (Biology) The generation, or mode of development, of the teeth. • ODONTOGENY n. the origin and development of teeth. |
| OECOLOGIST | • œcologist n. Obsolete form of ecologist. • OECOLOGIST n. a student of oecology, also ECOLOGIST. |
| OENOLOGIST | • oenologist n. An expert in the science of oenology. • œnologist n. Obsolete form of oenologist. • OENOLOGIST n. one versed in oenology, a student of wine. |
| ONTOLOGIES | • ontologies n. Plural of ontology. • ONTOLOGY n. the branch of philosophy the deals with being. |
| OPTOLOGIES | • OPTOLOGY n. the study of sight. |
| OREOLOGIST | • oreologist n. (Obsolete) Alternative form of orologist. • OREOLOGIST n. one versed in oreology, the study of mountains, also OROLOGIST. |
| TOCOLOGIES | • TOCOLOGY n. a branch of medicine dealing with childbirth, also TOKOLOGY. |
| TOKOLOGIES | • TOKOLOGY n. a branch of medicine dealing with childbirth, also TOCOLOGY. |
| TOPOLOGIES | • topologies n. Plural of topology. • TOPOLOGY n. the branch of mathematics that deals with those properties of figures and surfaces which are independent of size and shape. |