| HYMENOPHORES | • hymenophores n. Plural of hymenophore. • HYMENOPHORE n. the fruiting body of some basidiomycetous fungi. |
| HYMNOGRAPHERS | • hymnographers n. Plural of hymnographer. • HYMNOGRAPHER n. one who writes hymns. |
| HYMNOGRAPHIES | • HYMNOGRAPHY n. the study of writing hymns. |
| HYPHENISM | • hyphenism n. The use of hyphenated terms to describe people’s identities, as in "Irish-American". • HYPHENISM n. the practice of inserting hyphens. |
| HYPHENISMS | • hyphenisms n. Plural of hyphenism. • HYPHENISM n. the practice of inserting hyphens. |
| HYPOMENORRHEAS | • hypomenorrheas n. Plural of hypomenorrhea. • HYPOMENORRHEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHOEA. |
| HYPOMENORRHOEAS | • hypomenorrhoeas n. Plural of hypomenorrhoea. • HYPOMENORRHOEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHEA. |
| METHYLPHENOLS | • METHYLPHENOL n. a type of aromatic organic compound, aka cresol. |
| NAPHTHYLAMINES | • naphthylamines n. Plural of naphthylamine. • NAPHTHYLAMINE n. either of two isomeric crystalline bases used esp. as dye intermediates. |
| PHENETHYLAMINES | • phenethylamines n. Plural of phenethylamine. |
| PHENYLMETHYLS | • PHENYLMETHYL n. an ester of benzene, aka benzyl. |
| PHONOCHEMISTRY | • PHONOCHEMISTRY n. the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves. |
| PHYTOHORMONES | • phytohormones n. Plural of phytohormone. • PHYTOHORMONE n. a plant hormone, regulating growth. |
| PLATYHELMINTHS | • platyhelminths n. Plural of platyhelminth. • PLATYHELMINTH n. a tapeworm or planarian. |
| RHOMBENPORPHYRS | • RHOMBENPORPHYR n. an intermediate, moderately fine-grained igneous rock with feldspar phenocrysts rhombic in section, also RHOMBENPORPHYRY, RHOMBPORPHYRY. |
| SPHYGMOPHONE | • sphygmophone n. (Physiology) An electrical instrument for determining by ear the rhythm of the pulse of a person at a distance. • SPHYGMOPHONE n. an instrument for hearing the pulse. |
| SPHYGMOPHONES | • sphygmophones n. Plural of sphygmophone. • SPHYGMOPHONE n. an instrument for hearing the pulse. |