| AEROHYDROPLANE | • AEROHYDROPLANE n. a winged hydroplane or flying-boat. |
| DIPHENYLAMINES | • diphenylamines n. Plural of diphenylamine. • DIPHENYLAMINE n. a crystalline compound used chiefly in the manufacture of dyes and as an indicator. |
| DIPHENYLKETONE | • diphenylketone n. (Organic chemistry) The aromatic ketone diphenylmethanone. • DIPHENYLKETONE n. the aromatic ketone benzophenone. |
| HYDROCEPHALIES | • hydrocephalies n. Plural of hydrocephaly. • HYDROCEPHALY n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALUS. |
| HYPERCIVILISED | • hypercivilised adj. Alternative form of hypercivilized. • HYPERCIVILISED adj. excessively civilised, also HYPERCIVILIZED. |
| HYPERCIVILIZED | • hypercivilized adj. Very highly civilized. • HYPERCIVILIZED adj. excessively civilized, also HYPERCIVILISED. |
| HYPERDACTYLIES | • hyperdactylies n. Plural of hyperdactyly. • HYPERDACTYLY n. the state of having more than five fingers and toes. |
| HYPERDEVELOPED | • hyperdeveloped adj. Developed to a very high degree. |
| HYPERLIPIDEMIA | • hyperlipidemia n. (Medicine) An excess quantity of lipid in the blood; a symptom of several medical conditions. • HYPERLIPIDEMIA n. an abnormally high level of fat in the blood, also HYPERLIPEMIA, HYPERLIPIDAEMIA. |
| 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. |
| 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. |
| INDECIPHERABLY | • indecipherably adv. In an indecipherable fashion. • INDECIPHERABLE adv. incapable of being deciphered. |
| PHENCYCLIDINES | • phencyclidines n. Plural of phencyclidine. • PHENCYCLIDINE n. a veterinary anesthetic, sometimes used illicitly as a psychedelic drug. |
| PREPSYCHEDELIC | • prepsychedelic adj. Related to or characteristic of the period preceding the Psychedelic era of the late 1960s. • PREPSYCHEDELIC adj. preceding a psychedelic experience. |
| RADIOTELEPHONY | • radiotelephony n. The transmission of sound (in both directions) using modulated radio waves rather than wires. • radio␣telephony n. The transmission of speech using modulated radio waves. • RADIOTELEPHONY n. communication by radiotelephone. |
| UNDECIPHERABLY | • undecipherably adv. In an undecipherable manner. |