| HYMENOPTERANS | • hymenopterans n. Plural of hymenopteran. • HYMENOPTERAN n. an order of insect having four membranous wings, e.g. ants, bees, wasps, also HYMENOPTERON. |
| HYPHENISATION | • HYPHENISATION n. the process of hyphenising, also HYPHENIZATION. |
| HYPNOANALYSES | • hypnoanalyses n. Plural of hypnoanalysis. • HYPNOANALYSIS n. psychoanalysis conducted on a hypnotized person. |
| HYPNOANALYSIS | • hypnoanalysis n. Psychiatric analysis involving hypnosis. • HYPNOANALYSIS n. psychoanalysis conducted on a hypnotized person. |
| HYPNOTISATION | • hypnotisation n. Alternative spelling of hypnotization. • HYPNOTISATION n. the process of hypnotising, also HYPNOTIZATION. |
| HYPOXANTHINES | • hypoxanthines n. Plural of hypoxanthine. • HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation. |
| NARCOHYPNOSES | • NARCOHYPNOSIS n. the use of narcotics to produce hypnosis. |
| NARCOHYPNOSIS | • narcohypnosis n. A hypnotic state induced by narcotics. • NARCOHYPNOSIS n. the use of narcotics to produce hypnosis. |
| NASOPHARYNGES | • nasopharynges n. Plural of nasopharynx. • NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages. |
| NASOPHARYNXES | • nasopharynxes n. Plural of nasopharynx. • NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages. |
| NONPHYSICIANS | • nonphysicians n. Plural of nonphysician. • non-physicians n. Plural of non-physician. • NONPHYSICIAN n. one who is not a physician. |
| NYMPHOMANIACS | • nymphomaniacs n. Plural of nymphomaniac. • NYMPHOMANIAC n. one afflicted with nymphomania. |
| ONYCHOPHORANS | • onychophorans n. Plural of onychophoran. • ONYCHOPHORAN n. any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms. |
| PARASYNTHETON | • parasyntheton n. (Grammar) A parasynthetic compound. • PARASYNTHETON n. a word derived from a compound, e.g. come-at-able. |
| PHENYLALANINS | • PHENYLALANIN n. an essential amino acid present in most proteins, also PHENYLALANINE. |
| PHYCOXANTHINS | • PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc. |
| PHYTONADIONES | • PHYTONADIONE n. phylloquinone, vitamin K1. |
| SPLANCHNOLOGY | • splanchnology n. (Anatomy, obsolete) The scientific study of the viscera. • SPLANCHNOLOGY n. the study of the entrails or viscera. |