| APOSTOLATE | • apostolate n. The office, or responsibilities of an apostle. • apostolate n. A group of people that exists for the spreading of religious doctrine. • APOSTOLATE n. the office of an apostle. |
| AUTOPILOTS | • autopilots n. Plural of autopilot. • AUTOPILOT n. a device which can be set to guide and control an aircraft or a ship on a chosen course. |
| FOOTPLATES | • footplates n. Plural of footplate. • FOOTPLATE n. a platform for a footplateman, an assistant to a train driver. |
| OPTOLOGIST | • optologist n. One who studies optology. • OPTOLOGIST n. an optician. |
| POLYGLOTTS | • polyglotts n. Plural of polyglott. • POLYGLOTT n. one who speaks many languages, also POLYGLOT. |
| POSTCOITAL | • postcoital adj. Occurring after, or as a consequence of, sexual intercourse. • POSTCOITAL adj. after sexual intercourse. |
| POSTULATOR | • postulator n. A person who postulates something as the basis of an argument. • postulator n. A Roman Catholic official who makes the case for the beatification or canonization of a proposed saint. • POSTULATOR n. an official who presents case for canonization or beatification. |
| PROGLOTTIS | • proglottis n. One of the free, or nearly free, segments of a tapeworm. It contains both male and female reproductive… • PROGLOTTIS n. a segment of a tapeworm, also PROGLOTTID. |
| PROTOPLAST | • protoplast adj. (Obsolete) Created first; archetypal. • protoplast n. The first-created human; Adam. • protoplast n. (Rare) A prototype or archetype; a model. |
| PROTOSTELE | • protostele n. (Botany) A type of stele, in which the vascular tissue in the stem forms a solid core, with no central… • PROTOSTELE n. a stele in which the vascular tissue forms a solid core, with centrally placed xylem surrounded by phloem. |
| STEPSTOOLS | • stepstools n. Plural of stepstool. • step␣stools n. Plural of step stool. • STEPSTOOL n. a stool able to be used as a step. |
| TELEPHOTOS | • telephotos n. Plural of telephoto. • telephotos v. Third-person singular simple present indicative form of telephoto. • TELEPHOTO n. a photo taken through a long-distance lens. |
| TONOPLASTS | • tonoplasts n. Plural of tonoplast. • TONOPLAST n. a semipermeable membrane surrounding a plant vacuole. |
| TOPOLOGIST | • topologist n. A mathematician who specializes in topology. • TOPOLOGIST n. one who studies topology. |
| TYPOLOGIST | • typologist n. A linguist who specializes in linguistic typology. • TYPOLOGIST n. a student of typology. |