| HALOPHYTISMS | • HALOPHYTISM n. the state of being a halophyte. |
| HELIOTHERAPY | • heliotherapy n. Any medical therapy by exposure to light. • HELIOTHERAPY n. medical treatment by exposure to the sun's rays. |
| HETEROTHALLY | • heterothally n. Heterothallism. • HETEROTHALLY n. the state of being heterothallic, also HETEROTHALLISM. |
| HYDROTHERMAL | • hydrothermal adj. Of, or relating to hot water. • hydrothermal adj. (Geology) Of or relating to emanations of hot water that are rich in minerals, or to the rocks formed from them. • HYDROTHERMAL adj. designating naturally hot underground water that has geological effects. |
| HYLOPATHISMS | • HYLOPATHISM n. belief in ability of matter to affect the spiritual world. |
| HYLOPATHISTS | • hylopathists n. Plural of hylopathist. • HYLOPATHIST n. a believer in the capability of matter to affect spirit. |
| HYPOSULPHATE | • hyposulphate n. (Inorganic chemistry) Alternative form of hyposulfate. • HYPOSULPHATE n. a dithionate. |
| HYPOTHALAMIC | • hypothalamic adj. (Anatomy) Of or pertaining to the hypothalamus. • HYPOTHALAMIC adj. of or relating to the hypothalamus. |
| HYPOTHALAMUS | • hypothalamus n. (Anatomy) A region of the forebrain located below the thalamus, forming the basal portion of the diencephalon… • HYPOTHALAMUS n. a part of the brain. |
| HYPOTHETICAL | • hypothetical adj. Based upon a hypothesis; conjectural. • hypothetical adj. (Philosophy) conditional; contingent upon some hypothesis/antecedent. • hypothetical n. A possible or hypothetical situation or proposition. |
| ICHTHYOCOLLA | • ichthyocolla n. (Archaic) Fish glue, isinglass; a glue prepared from the sounds (swimming bladders) of various fishes. • ICHTHYOCOLLA n. fish-glue; isinglass. |
| ICHTHYOLATRY | • ichthyolatry n. The worship of fish, or of fish-shaped idols. • ICHTHYOLATRY n. the worship of fish. |
| ORTHOCEPHALY | • orthocephaly n. The condition of being orthocephalic. • ORTHOCEPHALY n. the state of being orthocephalic. |
| PHILANTHROPY | • philanthropy n. (Chiefly uncountable) Benevolent altruism with the intention of increasing the well-being of humankind. • philanthropy n. (Uncountable) Charitable giving, charity. • philanthropy n. (Countable) A philanthropic act. |
| PHOSPHATIDYL | • phosphatidyl n. (Organic chemistry) A radical derived from a phosphatide. • PHOSPHATIDYL n. any of several monovalent groups that are derived from phosphatidic acids. |
| THALLOPHYTES | • thallophytes n. Plural of thallophyte. • THALLOPHYTE n. any organism belonging to the Thallophyta, that includes algae, fungi, and bacteria. |
| THALLOPHYTIC | • thallophytic adj. Relating to thallophytes. • THALLOPHYTIC adj. of or like a thallophyte. |
| XANTHOPHYLLS | • xanthophylls n. Plural of xanthophyll. • XANTHOPHYLL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYL. |