| AEROHYDROPLANE | • AEROHYDROPLANE n. a winged hydroplane or flying-boat. |
| CROTONALDEHYDE | • crotonaldehyde n. (Organic chemistry) The unsaturated aliphatic aldehyde CH3-CH=CH-CHO that is used in organic synthesis. • CROTONALDEHYDE n. a pungent liquid aldehyde obtained by dehydration of aldol. |
| CYANOETHYLATED | • cyanoethylated v. Simple past tense and past participle of cyanoethylate. • CYANOETHYLATE v. to introduce a cyano-ethyl group into. |
| DEHYDRORETINOL | • dehydroretinol n. (Organic chemistry) A derivative of retinol having an extra double bond; vitamin A2. • DEHYDRORETINOL n. vitamin A2. |
| DEMETHYLATIONS | • demethylations n. Plural of demethylation. |
| DIMETHYLAMINES | • dimethylamines n. Plural of dimethylamine. • DIMETHYLAMINE n. a gas derived from ammonia with two methyl groups replacing two hydrogen atoms. |
| 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. |
| DYSMENORRHOEAL | • dysmenorrhoeal adj. Alternative form of dysmenorrheal. • dysmenorrhœal adj. Obsolete form of dysmenorrheal. • DYSMENORRHOEAL adj. suffering from dysmenorrhoea, painful menstruation, also DYSMENORRHEAL. |
| FAINTHEARTEDLY | • faintheartedly adv. In a fainthearted manner. • faint-heartedly adv. Alternative form of faintheartedly. • FAINTHEARTED adv. lacking courage or resolution. |
| HEARTRENDINGLY | • heartrendingly adv. In a heartrending manner. • heart-rendingly adv. In a heart-rending manner. • HEARTRENDING adv. causing great grief. |
| HYDROGENOLYSES | • hydrogenolyses n. Plural of hydrogenolysis. • HYDROGENOLYSIS n. a chemical reaction in which a compound is decomposed by hydrogen. |
| 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. |
| 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. |