| HARMONIPHONES | • harmoniphones n. Plural of harmoniphone. • HARMONIPHONE n. a keyboard wind instrument with reeds, also HARMONIPHON.
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| HUNTSMANSHIPS | • HUNTSMANSHIP n. the craft of hunting. | 
| HYPHENISATION | • HYPHENISATION n. the process of hyphenising, also HYPHENIZATION. | 
| HYPHENIZATION | • hyphenization n. Hyphenation. • HYPHENIZATION n. the process of hyphenizing, also HYPHENISATION.
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| HYPOXANTHINES | • hypoxanthines n. Plural of hypoxanthine. • HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
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| NAPHTHALISING | • naphthalising v. Present participle of naphthalise. • NAPHTHALISE v. to treat with naphtha, also NAPHTHALIZE.
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| NAPHTHALIZING | • naphthalizing v. Present participle of naphthalize. • NAPHTHALIZE v. to treat with naphtha, also NAPHTHALISE.
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| NAPHTHYLAMINE | • naphthylamine n. (Organic chemistry) Either of two isomeric primary amines derived from naphthalene; they occur in crude… • NAPHTHYLAMINE n. either of two isomeric crystalline bases used esp. as dye intermediates.
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| PHENOTHIAZINE | • phenothiazine n. (Organic chemistry) A polycyclic heterocycle consisting of two benzene rings fused to one of thiazine;… • phenothiazine n. (Medicine) Any of a family of pharmaceuticals, derived from this compound, used to treat schizophrenia etc.
 • PHENOTHIAZINE n. a crystalline compound used as an anthelmintic and insecticide esp. in veterinary practice.
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| PHONASTHENIAS | • PHONASTHENIA n. weakness of voice. | 
| PHTHALOCYANIN | • phthalocyanin n. Alternative form of phthalocyanine. • PHTHALOCYANIN n. any of a group of green and blue organic colouring matters of great fastness and brilliance, also PHTHALOCYANINE.
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| PHYCOXANTHINS | • PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc. | 
| RHINENCEPHALA | • rhinencephala n. Plural of rhinencephalon. • RHINENCEPHALON n. the olfactory lobe of the brain.
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| STROPHANTHINS | • strophanthins n. Plural of strophanthin. • STROPHANTHIN n. a very poisonous glucoside found in the seeds of the plant Strophanthus.
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