| CHLORENCHYMAS | • CHLORENCHYMA n. plant stem tissue containing chlorophyll. |
| HELMINTHOLOGY | • helminthology n. (Zoology) The branch of zoology related to the study of helminths (parasitic worms). • HELMINTHOLOGY n. the study of parasitic worms. |
| HONEYMONTHING | • HONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON. |
| HYMNOGRAPHERS | • hymnographers n. Plural of hymnographer. • HYMNOGRAPHER n. one who writes hymns. |
| HYMNOGRAPHIES | • HYMNOGRAPHY n. the study of writing hymns. |
| HYPOCHONDRIUM | • hypochondrium n. (Anatomy) The upper region of the abdomen, below the lower ribs, each side of the epigastrium. • HYPOCHONDRIUM n. either of two regions of the upper part of the abdomen. |
| HYPOGNATHISMS | • HYPOGNATHISM n. the state of being hypognathous. |
| HYPOMENORRHEA | • hypomenorrhea n. The condition of menstrual blood flow that is extremely light. • HYPOMENORRHEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHOEA. |
| METHYLPHENOLS | • METHYLPHENOL n. a type of aromatic organic compound, aka cresol. |
| NYCHTHEMERONS | • nychthemerons n. Plural of nychthemeron. • NYCHTHEMERON n. (Greek) a full period of a day and night. |
| PHYSHARMONICA | • PHYSHARMONICA n. an early form of harmonium. |
| PHYTOHORMONES | • phytohormones n. Plural of phytohormone. • PHYTOHORMONE n. a plant hormone, regulating growth. |
| PYTHONOMORPHS | • pythonomorphs n. Plural of pythonomorph. • PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs. |
| RHYTHMISATION | • rhythmisation n. Alternative form of rhythmization. • RHYTHMISATION n. the process of rhythmising, also RHYTHMIZATION. |
| RHYTHMIZATION | • rhythmization n. The process or the result of rhythmizing. • RHYTHMIZATION n. the process of rhythmizing, also RHYTHMISATION. |
| SPHYGMOPHONES | • sphygmophones n. Plural of sphygmophone. • SPHYGMOPHONE n. an instrument for hearing the pulse. |
| SYNCHROMESHES | • synchromeshes n. Plural of synchromesh. • SYNCHROMESH n. a synchromesh gear. |