| AUTOPOINTS | • AUTOPOINT n. a point-to-point over rough country in motor vehicles. |
| ENTOPROCTS | • entoprocts n. Plural of entoproct. • ENTOPROCT n. any of a phylum of animals related to Bryozoans. |
| FOOTPRINTS | • footprints n. Plural of footprint. • FOOTPRINT n. the mark left on the ground or floor by a person's or animal's foot. |
| MONOPTOTES | • monoptotes n. Plural of monoptote. • MONOPTOTE n. a noun that has one grammatical case only. |
| NOSTOPATHY | • nostopathy n. A fear of returning home, for example after prison or military service. • NOSTOPATHY n. the morbid fear of returning to familiar places. |
| PHOTONASTY | • photonasty n. A nastic response to a change in light levels. • PHOTONASTY n. the adoption of a certain position due to the effect of light on growth. |
| PHOTOTONUS | • phototonus n. Sensitivity to, or irritation caused by, light. • PHOTOTONUS n. the sensitivity of a living organism to light. |
| PHYTOTRONS | • phytotrons n. Plural of phytotron. • PHYTOTRON n. an apparatus that produces climates artificially for the study of plant growth. |
| PORTENTOUS | • portentous adj. Of momentous or ominous significance. • portentous adj. Ominously prophetic. • portentous adj. Puffed up with vanity. |
| PORTIONIST | • portionist n. One of the incumbents of a benefice that has two or more rectors or vicars. • portionist n. (Historical) A scholar at Merton College, Oxford, England, who has a certain academical allowance or portion. • PORTIONIST n. a postmaster of Merton College; one of two or more incumbents sharing a benefice. |
| PROTONATES | • protonates v. Third-person singular simple present indicative form of protonate. • PROTONATE v. to acquire an additional proton. |
| STENOTOPIC | • stenotopic adj. (Ecology) Able to tolerate or adapt to only a small range of environmental conditions. • STENOTOPIC adj. able to adapt only to a small range of environmental conditions, also STENOTROPIC. |
| TONOPLASTS | • tonoplasts n. Plural of tonoplast. • TONOPLAST n. a semipermeable membrane surrounding a plant vacuole. |
| TOPONYMIST | • toponymist n. One who studies toponymy. • TOPONYMIST n. one who studies toponymy, the study of place-names. |