| EPHEMEROPTERAN | • ephemeropteran n. (Zoology) Any insect of the order Ephemeroptera, the mayflies. • EPHEMEROPTERAN n. any insect of the mayfly family. |
| HYPERMETROPIAS | • hypermetropias n. Plural of hypermetropia. • HYPERMETROPIA n. longsightedness, aka hyperopia, also HYPERMETROPY. |
| HYPERPARASITES | • hyperparasites n. Plural of hyperparasite. • HYPERPARASITE n. a parasite that is parasitic upon another parasite. |
| HYPERPOLARISED | • hyperpolarised v. Simple past tense and past participle of hyperpolarise. • HYPERPOLARISE v. to increase the difference in electric potential across a cell membrane, also HYPERPOLARIZE. |
| HYPERPOLARISES | • hyperpolarises v. Third-person singular simple present indicative form of hyperpolarise. • HYPERPOLARISE v. to increase the difference in electric potential across a cell membrane, also HYPERPOLARIZE. |
| HYPERPOLARIZED | • hyperpolarized v. Simple past tense and past participle of hyperpolarize. • HYPERPOLARIZE v. to produce an increase in potential difference across a biological membrane, also HYPERPOLARISE. |
| HYPERPOLARIZES | • hyperpolarizes v. Third-person singular simple present indicative form of hyperpolarize. • HYPERPOLARIZE v. to produce an increase in potential difference across a biological membrane, also HYPERPOLARISE. |
| HYPERPROSEXIAS | • HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers. |
| PALAEOGRAPHERS | • palaeographers n. Plural of palaeographer. • palæographers n. Plural of palæographer. • PALAEOGRAPHER n. a student of palaeography, also PALAEOGRAPHIST. |
| PARTHENOSPORES | • PARTHENOSPORE n. a thick-walled spore produced by parthenogenesis in certain algae and fungi. |
| RAPPROCHEMENTS | • rapprochements n. Plural of rapprochement. • RAPPROCHEMENT n. (French) a resumption of or improvement in relations between countries or persons. |
| REPHOTOGRAPHED | • rephotographed v. Simple past tense and past participle of rephotograph. • REPHOTOGRAPH v. to photograph again. |
| SPERMATOPHORES | • spermatophores n. Plural of spermatophore. • SPERMATOPHORE n. a case enclosing the spermatozoa of certain crustaceans, molluscs and amphibians. |
| WHIPPERSNAPPER | • whippersnapper n. (Colloquial, dated) A young and cheeky or presumptuous person. • whipper-snapper n. Alternative form of whippersnapper. • whipper␣snapper n. Alternative form of whippersnapper. |