| 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. |
| DEHYDRORETINOL | • dehydroretinol n. (Organic chemistry) A derivative of retinol having an extra double bond; vitamin A2. • DEHYDRORETINOL n. vitamin A2. |
| 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. |
| HYALURONIDASES | • hyaluronidases n. Plural of hyaluronidase. • HYALURONIDASE n. a mucolytic enzyme that facilitates the spread of fluids through tissues by lowering the viscosity of hyaluronic acid. |
| HYDROCORALLINE | • HYDROCORALLINE n. a member the Hydrozoa, which includes millepores etc. |
| HYDROGENOLYSES | • hydrogenolyses n. Plural of hydrogenolysis. • HYDROGENOLYSIS n. a chemical reaction in which a compound is decomposed by hydrogen. |
| HYDROGENOLYSIS | • hydrogenolysis n. (Chemistry) the cleavage of a molecule, especially that of a carbon-carbon bond, with the addition of… • HYDROGENOLYSIS n. a chemical reaction in which a compound is decomposed by hydrogen. |
| HYDROKINETICAL | • hydrokinetical adj. Synonym of hydrokinetic. • HYDROKINETICAL adj. of or relating to the motions of fluids or the forces which produce or affect such motions, also HYDROKINETIC. |
| HYDROXYLAMINES | • hydroxylamines n. Plural of hydroxylamine. • HYDROXYLAMINE n. a colorless odorless nitrogenous base that resembles ammonia in its reactions. |
| HYDROXYPROLINE | • hydroxyproline n. (Biochemistry) A hydroxy derivative of the amino acid proline found in the structural proteins of connective tissue. • HYDROXYPROLINE n. an amino acid. |
| INDECIPHERABLY | • indecipherably adv. In an indecipherable fashion. • INDECIPHERABLE adv. incapable of being deciphered. |
| 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. |