| ADRENOCHROMES | • adrenochromes n. Plural of adrenochrome. • ADRENOCHROME n. a mixture of quinones. |
| CHROMOCENTERS | • chromocenters n. Plural of chromocenter. • CHROMOCENTER n. a densely staining aggregation of heterochromatic regions in the nucleus of some cells, also CHROMOCENTRE. |
| CHROMOCENTRES | • chromocentres n. Plural of chromocentre. • CHROMOCENTRE n. a densely staining aggregation of heterochromatic regions in the nucleus of some cells, also CHROMOCENTER. |
| CHRONOMETRIES | • chronometries n. Plural of chronometry. • CHRONOMETRY n. the measuring of time. |
| DYSMENORRHOEA | • dysmenorrhoea n. Alternative spelling of dysmenorrhea. • dysmenorrhœa n. Obsolete form of dysmenorrhea. • DYSMENORRHOEA n. painful menstruation, also DYSMENORRHEA. |
| HARMONICHORDS | • harmonichords n. Plural of harmonichord. • HARMONICHORD n. a keyboard instrument of violin tone, in which the strings are rubbed by rosined wheels. |
| HARMONOGRAPHS | • harmonographs n. Plural of harmonograph. • HARMONOGRAPH n. an instrument for drawing curves representing vibrations. |
| HARMONOMETERS | • harmonometers n. Plural of harmonometer. • HARMONOMETER n. an instrument for measuring the harmonic relations of sounds. |
| HYDROFORMINGS | • HYDROFORMING n. the catalytic reforming of petroleum to increase the proportion of aromatic and branched-chain hydrocarbons. |
| NEUROHORMONES | • neurohormones n. Plural of neurohormone. • NEUROHORMONE n. a hormone (as acetylcholine or norepinephrine) produced by or acting on nervous tissue. |
| NORMOTHERMIAS | • NORMOTHERMIA n. normal body temperature. |
| ORNITHOMORPHS | • ornithomorphs n. Plural of ornithomorph. • ORNITHOMORPH n. a figure or design in the form of a bird. |
| PARATHORMONES | • parathormones n. Plural of parathormone. • PARATHORMONE n. a parathyroid hormone. |
| PROMONARCHIST | • promonarchist adj. In favour of monarchism. • promonarchist n. A supporter of monarchism. • PROMONARCHIST adj. in favour of monarchy. |
| RHINOSCLEROMA | • rhinoscleroma n. (Medicine) A rare skin disease with very hard, more or less flattened, prominences, appearing first… • RHINOSCLEROMA n. a disease with hard swelling in the nose etc. |
| RHOMBOHEDRONS | • rhombohedrons n. Plural of rhombohedron. • RHOMBOHEDRON n. a parallelepiped whose faces are rhombuses. |