| HYDROXYPROLINES | • hydroxyprolines n. Plural of hydroxyproline. • HYDROXYPROLINE n. an amino acid. |
| OXYCEPHALIES | • oxycephalies n. Plural of oxycephaly. • OXYCEPHALY n. the condition of having a conical skull. |
| OXYPHILES | • OXYPHILE n. an organism that thrives on an acid environment, also OXYPHIL. |
| OXYPHILS | • OXYPHIL n. an organism that thrives on an acid environment, also OXYPHILE. |
| OXYSULPHIDE | • oxysulphide n. Alternative form of oxysulfide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur. |
| OXYSULPHIDES | • oxysulphides n. Plural of oxysulphide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur. |
| PEROXYSULPHURIC | • PEROXYSULPHURIC adj. as in peroxysulphuric acid. |
| PHYLLOTAXIES | • phyllotaxies n. Plural of phyllotaxy. • PHYLLOTAXY n. the arrangement of leaves on a stem and in relation to one another, also PHYLLOTAXIS. |
| PHYLLOTAXIS | • phyllotaxis n. (Botany) The arrangement of leaves on a stem, or the mathematical principles governing such arrangement. • PHYLLOTAXIS n. the arrangement of leaves on a stem and in relation to one another, also PHYLLOTAXY. |
| PHYTOALEXINS | • phytoalexins n. Plural of phytoalexin. • PHYTOALEXIN n. any substance produced by a plant as a defence against disease. |
| PROPHYLAXIS | • prophylaxis n. (Medicine) Prevention of, or protective treatment for, disease. • prophylaxis n. (Chess) A move or strategy that frustrates an opponent’s plan or tactic. • PROPHYLAXIS n. preventive treatment against diseases, etc. |
| PSYCHOSEXUALITY | • psychosexuality n. The psychological aspects of sexuality. • PSYCHOSEXUALITY n. the psychic factors of sex. |
| 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. |
| XIPHOPHYLLOUS | • xiphophyllous adj. (Botany) Having sword-shaped leaves. • XIPHOPHYLLOUS adj. having sword-shaped leaves. |
| XYLOGRAPHIES | • xylographies n. Plural of xylography. • XYLOGRAPHY n. the art of making engravings on wood, esp. for printing. |
| XYLOPHILOUS | • xylophilous adj. Living on or in wood, as some fungi and beetles do. • XYLOPHILOUS adj. fond of wood; living in or on wood. |
| XYLOPHONIST | • xylophonist n. Someone who plays a xylophone. • XYLOPHONIST n. one who plays the xylophone. |
| XYLOPHONISTS | • xylophonists n. Plural of xylophonist. • XYLOPHONIST n. one who plays the xylophone. |