| ANTHROPOLOGIST | • anthropologist n. An expert in anthropology. • ANTHROPOLOGIST n. one who studies anthropology. |
| HERPETOLOGISTS | • herpetologists n. Plural of herpetologist. • HERPETOLOGIST n. one who studies snakes. |
| ORTHOPTEROLOGY | • orthopterology n. The scientific study of the Orthoptera. • ORTHOPTEROLOGY n. the study of cockroaches. |
| PARASITOLOGIST | • parasitologist n. A person who works in parasitology. • PARASITOLOGIST n. one who studies parasitology. |
| PERINATOLOGIST | • perinatologist n. An obstetrician specializing in the care of the mother and fetus at higher than normal risk for complications. |
| PHOTOTELEGRAMS | • PHOTOTELEGRAM n. a telegram that is sent by means of phototelegraphy. |
| PHOTOTELEGRAPH | • phototelegraph n. (Dated) An image transmitted by phototelegraphy. • PHOTOTELEGRAPH n. an instrument for transmitting drawings telegraphically. |
| PRIMATOLOGISTS | • primatologists n. Plural of primatologist. • PRIMATOLOGIST n. one who studies primates. |
| PROGESTATIONAL | • progestational adj. (Biology, medicine) Describing the phase of the menstrual cycle before gestation and after ovulation… • progestational adj. (Biology, medicine) Of or pertaining to progesterone. • progestational adj. (Biology, medicine) Similar in action to progesterone; progesterone-like. |
| PROTISTOLOGIES | • PROTISTOLOGY n. the study of protists. |
| PROTISTOLOGIST | • protistologist n. (Biology, protistology) One who studies protists. • PROTISTOLOGIST n. a specialist in protistology. |
| PROTOZOOLOGIST | • protozoologist n. A zoologist whose speciality is protozoology. • PROTOZOOLOGIST n. one who studies protozoology. |
| PTERIDOLOGISTS | • pteridologists n. Plural of pteridologist. • PTERIDOLOGIST n. one who studies pteridology. |
| TELEPHOTOGRAPH | • telephotograph n. A photograph taken with a telephoto lens. • telephotograph n. (Dated) A photograph transmitted by wire. • telephotograph v. (Transitive) To photograph with a telephoto lens. |