| FLEXIHOURS | • flexihours n. Flexitime. • FLEXIHOURS n. flexible working time. |
| HETERODUPLEXES | • heteroduplexes n. Plural of heteroduplex. • HETERODUPLEX n. a nucleic-acid molecule, such as DNA, composed of two chains with each derived from a different parent molecule. |
| HETEROSEXUAL | • heterosexual adj. Sexually attracted to members of the opposite sex. • heterosexual n. A heterosexual person, or other heterosexual organism. • HETEROSEXUAL adj. attracted to the opposite sex. |
| HETEROSEXUALITY | • heterosexuality n. The state of being sexually and romantically attracted primarily or exclusively to persons of the opposite sex. • heterosexuality n. Sexual activity with a person of the opposite sex. • HETEROSEXUALITY n. the state of being heterosexual. |
| HETEROSEXUALLY | • heterosexually adj. In a heterosexual way. • HETEROSEXUAL adv. attracted to the opposite sex. |
| HETEROSEXUALS | • heterosexuals n. Plural of heterosexual. • HETEROSEXUAL n. a heterosexual person. |
| HEXAFLUORIDES | • hexafluorides n. Plural of hexafluoride. • HEXAFLUORIDE n. a chemical compound with the general formula XF6. |
| HYPERSEXUAL | • hypersexual adj. Excessively interested in sex. • hypersexual adj. Of or relating to hypersexuality. • hypersexual n. A person who is hypersexual. |
| HYPERSEXUALITY | • hypersexuality n. The desire for sexual activity at levels high enough to be considered clinically significant. • HYPERSEXUALITY n. the state of being hypersexual. |
| METHOXYFLURANES | • methoxyfluranes n. Plural of methoxyflurane. • METHOXYFLURANE n. a potent general anaesthetic administered as a vapor. |
| NONHETEROSEXUAL | • nonheterosexual adj. Alternative form of non-heterosexual. • nonheterosexual n. Alternative form of non-heterosexual. • non-heterosexual adj. Not heterosexual. |
| PEROXYSULPHURIC | • PEROXYSULPHURIC adj. as in peroxysulphuric acid. |
| 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. |
| SUPERHELIXES | • superhelixes n. Plural of superhelix. • SUPERHELIX n. a helix, as of DNA, which has its axis arranged in a helical coil. |
| XEROPHILOUS | • xerophilous adj. Able to thrive in dry weather. • XEROPHILOUS adj. drought loving, particularly pertaining to plants. |
| 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. |