| AMPHIOXUSES | • amphioxuses n. Plural of amphioxus. • AMPHIOXUS n. (Greek) a fishlike creature, two or three inches long, found in temperate seas, aka lancelet. |
| AUXOTROPHIC | • auxotrophic adj. (Biology) Describing a strain of organism that requires a specific metabolic substance that the parent… • AUXOTROPHIC adj. requiring a specific growth substance beyond the minimum required for normal metabolism. |
| EXHAUSTIBLE | • exhaustible adj. Capable of being exhausted. • EXHAUSTIBLE adj. capable of being exhausted. |
| EXHAUSTIONS | • exhaustions n. Plural of exhaustion. • EXHAUSTION n. the act of exhausting. |
| EXHUMATIONS | • exhumations n. Plural of exhumation. • EXHUMATION n. the act of exhuming. |
| FOXHUNTINGS | • FOXHUNTING n. the pastime of hunting foxes. |
| FUCOXANTHIN | • fucoxanthin n. (Organic chemistry) A carotenoid pigment found in the chloroplasts of brown algae. • FUCOXANTHIN n. a brown carotenoid pigment occurring esp. in the chloroplasts of brown algae. |
| HETEROAUXIN | • heteroauxin n. A growth-promoting hormone, 3-indoleacetic acid, occurring in some plants. • HETEROAUXIN n. a natural plant hormone, used esp. for stimulating growth and root formation in plant cutting. |
| 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. |
| INEXHAUSTED | • inexhausted adj. Not exhausted. • INEXHAUSTED adj. (archaic) unexhausted, also UNEXHAUSTED. |
| OXYSULPHIDE | • oxysulphide n. Alternative form of oxysulfide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur. |
| PYRRHULOXIA | • pyrrhuloxia n. Cardinalis sinuatus (desert cardinal), a North American bird with grey and red plumage. • Pyrrhuloxia prop.n. (Archaic) A taxonomic genus within the family Fringillidae – certain birds similar to cardinals, notably… • PYRRHULOXIA n. a grey-and-pink crested bunting of Central and SW North America, with a short parrot-like bill. |
| SULPHOXIDES | • sulphoxides n. Plural of sulphoxide. • SULPHOXIDE n. any compound containing a sulphinyl group and a hydrocarbon radical, also SULFOXIDE. |
| TOXIPHAGOUS | • TOXIPHAGOUS adj. eating poison, also TOXICOPHAGOUS. |
| UNNILHEXIUM | • unnilhexium n. (Dated) seaborgium. • UNNILHEXIUM n. a chemical element, aka seaborgium. |
| XENODOCHIUM | • xenodochium n. A room (or separate guesthouse) in a monastery for the temporary accommodation of guests or pilgrims. • XENODOCHIUM n. a building for the reception of strangers, e.g. a guesthouse in a monastery. |
| XEROPHILOUS | • xerophilous adj. Able to thrive in dry weather. • XEROPHILOUS adj. drought loving, particularly pertaining to plants. |
| XIPHOPAGOUS | • xiphopagous adj. (Obsolete) Alternative form of xiphopagus. • XIPHOPAGOUS adj. like a xiphopagus, a set of Siamese twins joined in the region of the xiphoid cartilage. |
| XIPHOSURANS | • xiphosurans n. Plural of xiphosuran. • XIPHOSURAN n. a member of the Xiphosura. |
| XYLOPHILOUS | • xylophilous adj. Living on or in wood, as some fungi and beetles do. • XYLOPHILOUS adj. fond of wood; living in or on wood. |