| CHRYSOPHILITES | • chrysophilites n. Plural of chrysophilite. • CHRYSOPHILITE n. a lover of gold. |
| HALFPENNYWORTH | • halfpennyworth n. (Britain) As much as could be bought for a halfpenny (pre- or post-decimalisation). • halfpennyworth n. (Britain, informal) A negligible amount. • halfpennyworth n. (Britain, informal) One’s opinion or thoughts; one’s two cents. |
| HETEROPHYLLIES | • HETEROPHYLLY n. the state of being heterophyllous. |
| HETEROPHYLLOUS | • heterophyllous adj. (Botany) Having leaves of different types upon the same plant. • HETEROPHYLLOUS adj. having the foliage leaves of more than one form on the same plant or stem. |
| HIEROGLYPHISTS | • hieroglyphists n. Plural of hieroglyphist. • HIEROGLYPHIST n. a person skilled in hieroglyphics. |
| HYDROSULPHATES | • hydrosulphates n. Plural of hydrosulphate. • HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate. |
| HYDROSULPHITES | • hydrosulphites n. Plural of hydrosulphite. • HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent. |
| HYETOGRAPHICAL | • hyetographical adj. Of or pertaining to hyetography. • HYETOGRAPHICAL adj. relating to the measurement of rainfall, also HYETOGRAPHIC. |
| HYPERTROPHICAL | • hypertrophical adj. Alternative form of hypertrophic. • HYPERTROPHICAL adj. grown to an abnormal size, also HYPERTROPHIC. |
| OPHTHALMOMETRY | • ophthalmometry n. Measurement of the visual acuity and refractive power of the eyes. • OPHTHALMOMETRY n. measurement of the eye. |
| PHENYLTHIOUREA | • phenylthiourea n. Phenylthiocarbamide. • PHENYLTHIOUREA n. a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene). |
| PHOSPHORYLATED | • phosphorylated v. Simple past tense and past participle of phosphorylate. • phosphorylated adj. (Chemistry) reacted or combined with phosphoric acid. • PHOSPHORYLATE v. to cause (an organic compound) to take up or combine with phosphoric acid or a phosphorus-containing group. |
| PHOSPHORYLATES | • phosphorylates v. Third-person singular simple present indicative form of phosphorylate. • PHOSPHORYLATE v. to cause (an organic compound) to take up or combine with phosphoric acid or a phosphorus-containing group. |
| PHOTOTHERMALLY | • photothermally adv. In a photothermal manner. • PHOTOTHERMAL adv. of or concerned with light and heat, esp. the production of heat by light, also PHOTOTHERMIC. |
| PLETHYSMOGRAPH | • plethysmograph n. (Medicine) An instrument for measuring changes in volume within an organ or whole body (usually via… • PLETHYSMOGRAPH n. an instrument for measuring change in body part size due to blood flow. |
| THERMOPHYLLOUS | • THERMOPHYLLOUS adj. having leaves only in the warmer part of the year, deciduous. |