| AUXOCHROMES | • auxochromes n. Plural of auxochrome. • AUXOCHROME n. a group of atoms that can be attached to a chromogen to convert it into a dye. |
| HEXAEMERONS | • HEXAEMERON n. the (biblical) six days of creation, also HEXAHEMERON. |
| HEXAHEMERON | • hexahemeron n. A term of six days, especially the hexameron, or six days of the biblical creation. • HEXAHEMERON n. the (biblical) six days of creation, also HEXAEMERON. |
| HYDROXONIUM | • hydroxonium n. (Chemistry) The cation obtained by reacting a proton with water - H3O+; hydronium. • HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water. |
| MIXOTROPHIC | • mixotrophic adj. Of or pertaining to mixotrophy or mixotrophs. • MIXOTROPHIC adj. combining different modes of nutrition. |
| MONOHYDROXY | • monohydroxy n. (Organic chemistry, in combination) Having a single hydroxy group in a molecule. E.g. a monool is monohydroxy/monohydri… • MONOHYDROXY adj. containing one hydroxyl group in the molecule. |
| THERMOTAXES | • thermotaxes n. Plural of thermotaxis. • THERMOTAXIS n. movement influenced or controlled by heat. |
| THERMOTAXIC | • thermotaxic adj. (Biology) Relating to the regulation of temperature in the animal body. • THERMOTAXIC adj. of or showing thermotaxis, also THERMOTACTIC. |
| THERMOTAXIS | • thermotaxis n. (Biology) Movement in response to temperature. • THERMOTAXIS n. movement influenced or controlled by heat. |
| THROMBOXANE | • thromboxane n. (Organic chemistry, medicine) Any of a number of eicosanoids, related to prostaglandin, that have a… • THROMBOXANE n. any of several compounds formed from prostaglandin endoperoxides which, when released from blood platelets, induce platelet aggregation and arterial constriction. |
| XENOMORPHIC | • xenomorphic adj. (Petrography, of a mineral grain) That does not have its characteristic crystalline form but has a form… • xenomorphic adj. In an unusual form; having a strange form. • XENOMORPHIC adj. having a form not its own. |
| XEROMORPHIC | • xeromorphic adj. (Biology) Of, relating to, or characteristic of the xerophytes, especially having the ability to store… • XEROMORPHIC adj. of parts of a plant, protected against excessive loss of water by thick cuticles, coatings of hairs and similar structural features, also XEROMORPHOUS. |
| XEROPHYTISM | • xerophytism n. (Botany) The adaptation of plants to habitats where water is scarce. • XEROPHYTISM n. being a xerophyte. |
| XEROTHERMIC | • xerothermic adj. (Sciences) Both hot and dry. • xerothermic adj. (Of an organism) That flourishes in hot, dry conditions. • XEROTHERMIC adj. of a region or climate, both dry and hot; of an animal or plant, living in a xerothermic environment. |
| XYLOCHROMES | • xylochromes n. Plural of xylochrome. • XYLOCHROME n. a mixture of substances to which the colour of heartwood is due. |