| DEONTOLOGIST | • deontologist n. (Ethics) A philosopher or other thinker who advocates or employs a deontological approach to ethics. • DEONTOLOGIST n. a student of deontology. |
| ENTOMOLOGIST | • entomologist n. A scientist who studies insects. • ENTOMOLOGIST n. one who studies insects. |
| EROTOLOGISTS | • erotologists n. Plural of erotologist. • EROTOLOGIST n. a student of erotology. |
| GLOTTOLOGIES | • GLOTTOLOGY n. the science of tongues or languages. |
| GNOTOBIOTICS | • gnotobiotics n. The science involved with maintaining a microbiologically controlled environment. • GNOTOBIOTICS n. the study of organisms living in germfree conditions or when inoculated with known microorganisms. |
| HEORTOLOGIST | • heortologist n. A person who studies heortology. • HEORTOLOGIST n. one who practises heortology, the study of religious feasts. |
| ODONTOLOGIST | • odontologist n. One who studies teeth. • ODONTOLOGIST n. a student of odontology. |
| OSTEOLOGISTS | • osteologists n. Plural of osteologist. • OSTEOLOGIST n. one who practises osteology. |
| POLYGLOTTOUS | • polyglottous adj. (Rare) Speaking many languages; polyglot. • POLYGLOTTOUS adj. like a polyglot, also POLYGLOTTAL, POLYGLOTTIC. |
| POSTVAGOTOMY | • postvagotomy adj. (Medicine) After a vagotomy. • POSTVAGOTOMY adj. following a vagotomy. |
| POTAMOGETONS | • potamogetons n. Plural of potamogeton. • POTAMOGETON n. a plant of the pondweed genus of water plants, with floating and submerged leaves. |
| POTAMOLOGIST | • potamologist n. One who studies rivers. • POTAMOLOGIST n. one who studies rivers. |
| PROCTOLOGIST | • proctologist n. A doctor specializing in the colon, rectum, and anus; an expert in proctology. • PROCTOLOGIST n. a specialist in proctology. |
| PROTISTOLOGY | • protistology n. (Biology) The scientific study of protists. • PROTISTOLOGY n. the study of protists. |
| SOMATOLOGIST | • somatologist n. One who studies somatology. • SOMATOLOGIST n. a specialist in somatology. |
| STORIOLOGIST | • storiologist n. One who studies folk tales. • STORIOLOGIST n. a folklorist. |
| TOXICOLOGIST | • toxicologist n. A scientist or physician who specializes in toxicology. • TOXICOLOGIST n. an expert in toxicology. |