| AEROHYDROPLANES | • AEROHYDROPLANE n. a winged hydroplane or flying-boat. |
| DEHYDRORETINOLS | • DEHYDRORETINOL n. vitamin A2. |
| HARDHEARTEDNESS | • hardheartedness n. (Uncountable) The state of being hardhearted. • hardheartedness n. (Countable) A hardhearted thought or act. • hard-heartedness n. Alternative form of hardheartedness. |
| HEREDITARIANISM | • hereditarianism n. The school of thought that heredity is more important than factors such as environment in determining… • HEREDITARIANISM n. the view that heredity is the major factor in determining human and animal behaviour. |
| HEREDITARIANIST | • hereditarianist n. One who subscribes to the theory of hereditarianism. • HEREDITARIANIST n. a proponent of hereditarianism. |
| HYPERADRENALISM | • hyperadrenalism n. (Pathology) An excessive level of adrenal hormones in the body. • HYPERADRENALISM n. excessive activity of the adrenal gland. |
| HYPERMODERNISMS | • HYPERMODERNISM n. a hypermodern approach or theory. |
| HYPERMODERNISTS | • hypermodernists n. Plural of hypermodernist. • HYPERMODERNIST n. a practitioner of a hypermodernist style in art. |
| SUPERHETERODYNE | • superheterodyne adj. (Electronics) Pertaining to a technique used in radio and television receivers to tune to a particular… • superheterodyne n. A receiver of this kind. • SUPERHETERODYNE n. applied to radio reception in which oscillations of slightly different frequency are imposed on the received oscillations, producing beats of a frequency above audio-frequency which are easily amplified. |
| THUNDERSTRICKEN | • thunderstricken v. Past participle of thunderstrike. • thunderstricken adj. Thunderstruck. • THUNDERSTRIKE v. to strike dumb. |
| TRUEHEARTEDNESS | • trueheartedness n. The quality of being true-hearted. • TRUEHEARTEDNESS n. the state of being truehearted. |
| WARMHEARTEDNESS | • warmheartedness n. The quality of being warmhearted. • warm-heartedness n. The quality of being warm-hearted. • WARMHEARTEDNESS n. the state of being warmhearted. |