| ANTHELIX | • anthelix n. (Anatomy) Alternative spelling of antihelix. • ANTHELIX n. (Greek) the inner curved edge of the external ear. |
| EXANTHEM | • exanthem n. A widespread rash usually occurring in children. • EXANTHEM n. a skin eruption, esp. accompanied by fever, also EXANTHEMA. |
| EXCHANGE | • exchange n. An act of exchanging or trading. • exchange n. A place for conducting trading. • exchange n. A telephone exchange. |
| EXHALANT | • exhalant adj. Exhaling (emitting a fluid). • exhalant n. Something that emits a fluid. • EXHALANT n. a vessel that emits vapour or liquid, also EXHALENT. |
| EXHALENT | • exhalent adj. Alternative form of exhalant. • exhalent n. Alternative form of exhalant. • EXHALENT n. a vessel that emits vapour or liquid, also EXHALANT. |
| EXHALING | • exhaling v. Present participle of exhale. • exhaling n. Exhalation. • EXHALE v. to breathe out. |
| HANDAXES | • handaxes n. Plural of handax. • handaxes n. Plural of handaxe. • hand␣axes n. Plural of hand ax. |
| HEXAGONS | • hexagons n. Plural of hexagon. • HEXAGON n. a polygon having six sides. |
| HEXAMINE | • hexamine n. (Organic chemistry) Contraction of hexamethylenetetramine. • HEXAMINE n. a chemical compound, used as a solid fuel. |
| HEXANOIC | • hexanoic adj. Of or pertaining to hexanoic acid or its derivatives; caproic. • HEXANOIC adj. as in hexanoic acid, a component of palm oil. |
| HEXOSANS | • hexosans n. Plural of hexosan. • HEXOSAN n. a polysaccharide that yields hexose on hydrolysis. |
| XANTHATE | • xanthate n. (Chemistry) Any salt or ester of xanthic acid. • XANTHATE n. a salt of xanthic acid. |
| XANTHEIN | • xanthein n. (Chemistry) The water-soluble part of the yellow carotenoid pigment present in the cell sap of some plants. • XANTHEIN n. a soluble yellow colouring. |
| XANTHENE | • xanthene n. (Organic chemistry) any of a group of tricyclic heterocycles (dibenzopyrans) that are the basis for… • XANTHENE n. a white crystalline compound of carbon, hydrogen and oxygen, from which dyestuffs are derived. |
| XANTHINE | • xanthine n. (Chemistry) Any of a group of alkaloids that include caffeine, theophylline, and theobromine as well… • XANTHINE n. a white substance, structurally related to uric acid, found in muscle tissue, the liver and other organs, also XANTHIN. |
| XANTHONE | • xanthone n. (Organic chemistry) An aromatic ketone, 9-oxo-xanthene, that is used as an insecticide. • XANTHONE n. a ketone analogue of xanthene which forms the basis of various natural pigments. |
| XENOPHYA | • xenophya n. (Biology) foreign particles found within an organism, such as sand grains. • XENOPHYA n. (Greek) elements of a shell or skeleton not secreted by the organism itself. |
| XERAPHIN | • xeraphin n. Alternative form of xeraphim. • XERAPHIN n. (Portuguese) a former silver coin of Goa, also SERAFIN, SERAPHIN, XERAFIN. |