| AUXOTROPHIES | • auxotrophies n. Plural of auxotrophy. • AUXOTROPHY n. the state of being auxotrophic, requiring a specific growth substance beyond the minimum required for normal metabolism. |
| EXECUTORSHIP | • executorship n. The office or position of an executor. • EXECUTORSHIP n. the office of executor. |
| EXOPHTHALMUS | • exophthalmus n. Alternative form of exophthalmos. • Exophthalmus prop.n. A taxonomic genus within the family Curculionidae – certain broad-nosed weevils. • EXOPHTHALMUS n. abnormal protrusion of the eyeball, also EXOPHTHALMOS. |
| HAPAXANTHOUS | • hapaxanthous adj. Being or relating to a hapaxanth. • HAPAXANTHOUS adj. monocarpous, also HAPAXANTHIC. |
| HETERODUPLEX | • heteroduplex n. (Biochemistry) A nucleic acid composed of two chains with each derived from a different parent molecule. • heteroduplex v. To form such a compound by genetic recombination. • HETERODUPLEX n. a nucleic-acid molecule, such as DNA, composed of two chains with each derived from a different parent molecule. |
| HYPERTEXTUAL | • hypertextual adj. Of or relating to hypertext. |
| OXYCEPHALOUS | • OXYCEPHALOUS adj. having a conical skull, also OXYCEPHALIC. |
| OXYSULPHIDES | • oxysulphides n. Plural of oxysulphide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur. |
| PNEUMOTHORAX | • pneumothorax n. (Medicine) Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall. • PNEUMOTHORAX n. accumulation of air or gas in the pleural cavity. |
| PSYCHOSEXUAL | • psychosexual adj. Of or relating to the psychological aspect or aspects of sexuality. • PSYCHOSEXUAL adj. of or relating to the mental, emotional, and behavioral aspects of sexual development. |
| 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. |
| XEROMORPHOUS | • xeromorphous adj. Xeromorphic. • XEROMORPHOUS adj. of parts of a plant, protected against excessive loss of water by thick cuticles, coatings of hairs and similar structural features, also XEROMORPHIC. |
| XIPHISTERNUM | • xiphisternum n. (Biology, medicine) Synonym of xiphoid process. • XIPHISTERNUM n. the posterior and smallest of the three divisions of the sternum. |
| XIPHOPAGUSES | • XIPHOPAGUS n. a set of Siamese twins joined in the region of the xiphoid cartilage. |