| APOPHTHEGMS | • apophthegms n. Plural of apophthegm. • APOPHTHEGM n. (Greek) a short, pithy and instructive saying or formulation, also APOTHEGM. |
| AXEROPHTHOL | • axerophthol n. Vitamin A. • AXEROPHTHOL n. vitamin A, a pale yellow crystalline substance, deficiency of which causes xerophthalmia. |
| DIPHTHERIAL | • diphtherial adj. Relating to diphtheria. • DIPHTHERIAL adj. relating to diphtheria. |
| DIPHTHERIAS | • diphtherias n. Plural of diphtheria. • DIPHTHERIA n. an infectious throat disease in which the air-passages become covered with a leathery membrane. |
| DIPHTHEROID | • diphtheroid adj. Of, pertaining to or resembling diphtheria. • diphtheroid adj. Of, pertaining to or resembling the diphtheria bacillus Corynebacterium diphtheriae. • diphtheroid n. Any bacterium that can cause diphtheria. |
| DIPHTHONGAL | • diphthongal adj. Pertaining to or characterized by a diphthong. • DIPHTHONGAL adj. of or like a diphthong. |
| DIPHTHONGED | • DIPHTHONG v. to pronounce as a diphthong. |
| DIPHTHONGIC | • diphthongic adj. Of the nature of diphthong; diphthongal. • DIPHTHONGIC adj. having the nature of a diphthong. |
| MONOPHTHONG | • monophthong n. A vowel (in the sense of a sound rather than a letter of the alphabet) that has the same sound throughout… • MONOPHTHONG n. two written vowels representing a single sound, e.g. 'oo', 'oa'. |
| NAPHTHALENE | • naphthalene n. A white crystalline hydrocarbon manufactured from coal tar; used in mothballs. • naphthalene n. (Organic chemistry) An aromatic bicyclic hydrocarbon, C10H8; an acene containing two fused benzene rings. • NAPHTHALENE n. a crystalline aromatic hydrocarbon usually obtained by distillation of coal tar. |
| NAPHTHALINE | • naphthaline n. Naphthalene. • NAPHTHALINE n. a white crystalline volatile solid with a characteristic penetrating odour, an aromatic hydrocarbon, also NAPHTHALIN. |
| NAPHTHALINS | • naphthalins n. Plural of naphthalin. • NAPHTHALIN n. a white crystalline volatile solid with a characteristic penetrating odour, an aromatic hydrocarbon, also NAPHTHALINE. |
| NAPHTHALISE | • naphthalise v. Alternative form of naphthalize. • NAPHTHALISE v. to treat with naphtha, also NAPHTHALIZE. |
| NAPHTHALIZE | • naphthalize v. (Chemistry) To mix or saturate with naphtha. • NAPHTHALIZE v. to treat with naphtha, also NAPHTHALISE. |
| OPHTHALMIAS | • ophthalmias n. Plural of ophthalmia. • OPHTHALMIA n. an inflammation of the membranes or coats of the eye or of the eyeball. |
| OPHTHALMIST | • ophthalmist n. One skilled in ophthalmology. • OPHTHALMIST n. an ophthalmologist. |
| PHTHIRIASES | • phthiriases n. Plural of phthiriasis. • PHTHIRIASIS n. infestation with lice. |
| PHTHIRIASIS | • phthiriasis n. (Medicine) An infestation with crab lice. • phthiriasis n. A pediculosis. • PHTHIRIASIS n. infestation with lice. |
| TRIPHTHONGS | • triphthongs n. Plural of triphthong. • TRIPHTHONG n. three vowel sounds pronounced as one. |