| SULPHOXIDE | • sulphoxide n. Alternative form of sulfoxide. • SULPHOXIDE n. any compound containing a sulphinyl group and a hydrocarbon radical, also SULFOXIDE. |
| SUPERHELIX | • superhelix n. (Molecular biology) The shape formed by a helix which in turn is twisted into a larger helix. • SUPERHELIX n. a helix, as of DNA, which has its axis arranged in a helical coil. |
| 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. |
| XEROPHILOUS | • xerophilous adj. Able to thrive in dry weather. • XEROPHILOUS adj. drought loving, particularly pertaining to plants. |
| XYLOPHILOUS | • xylophilous adj. Living on or in wood, as some fungi and beetles do. • XYLOPHILOUS adj. fond of wood; living in or on wood. |
| OXYSULPHIDES | • oxysulphides n. Plural of oxysulphide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur. |
| PYRRHULOXIAS | • pyrrhuloxias n. Plural of pyrrhuloxia. • PYRRHULOXIA n. a grey-and-pink crested bunting of Central and SW North America, with a short parrot-like bill. |
| SULPHADOXINE | • sulphadoxine n. Alternative spelling of sulfadoxine. • SULPHADOXINE n. an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, also SULFADOXINE. |
| SUPERHELIXES | • superhelixes n. Plural of superhelix. • SUPERHELIX n. a helix, as of DNA, which has its axis arranged in a helical coil. |
| SULPHADOXINES | • SULPHADOXINE n. an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, also SULFADOXINE. |
| XIPHOPHYLLOUS | • xiphophyllous adj. (Botany) Having sword-shaped leaves. • XIPHOPHYLLOUS adj. having sword-shaped leaves. |
| HYPERSEXUALITY | • hypersexuality n. The desire for sexual activity at levels high enough to be considered clinically significant. • HYPERSEXUALITY n. the state of being hypersexual. |
| XIPHIHUMERALIS | • xiphihumeralis n. A long, flat strip of pectoral muscle comprising a band of parallel fibres, found in felines. • XIPHIHUMERALIS n. in vertebrates, a muscle leading from the xiphoid cartilage to the humerus. |
| PEROXYSULPHURIC | • PEROXYSULPHURIC adj. as in peroxysulphuric acid. |
| PSYCHOSEXUALITY | • psychosexuality n. The psychological aspects of sexuality. • PSYCHOSEXUALITY n. the psychic factors of sex. |