| HISTORIOGRAPHER | • historiographer n. A scholar who studies historiography. • HISTORIOGRAPHER n. one who practises historiography, the study of writing history. |
| MICROBAROGRAPHS | • microbarographs n. Plural of microbarograph. • MICROBAROGRAPH n. an instrument for recording minute changes in atmospheric pressure. |
| MICROPROCESSORS | • microprocessors n. Plural of microprocessor. • MICROPROCESSOR n. a computer processor contained on an integrated-circuit chip. |
| MICROPROJECTORS | • microprojectors n. Plural of microprojector. • MICROPROJECTOR n. a projector utilizing a compound microscope for projecting on a screen a greatly enlarged image of a microscopic object. |
| MICROPYROMETERS | • MICROPYROMETER n. a pyrometer for measuring the temperature of very small objects. |
| OVERPROPORTIONS | • overproportions v. Third-person singular simple present indicative form of overproportion. • OVERPROPORTION v. to make disproportionately large. |
| PROCRASTINATORS | • procrastinators n. Plural of procrastinator. • PROCRASTINATOR n. one who procrastinates. |
| PROCRASTINATORY | • procrastinatory adj. Of or pertaining to procrastination. • PROCRASTINATORY adj. tending to procrastinate, also PROCRASTINATIVE. |
| PROCURATORSHIPS | • procuratorships n. Plural of procuratorship. • PROCURATORSHIP n. the office of procurator. |
| PROPRIETORSHIPS | • proprietorships n. Plural of proprietorship. • PROPRIETORSHIP n. the office of proprietor. |
| PROSOPOGRAPHERS | • PROSOPOGRAPHER n. a writer of prosopographies, biographical sketches. |
| PROTOPORPHYRINS | • protoporphyrins n. Plural of protoporphyrin. • PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin. |
| RHOMBENPORPHYRS | • RHOMBENPORPHYR n. an intermediate, moderately fine-grained igneous rock with feldspar phenocrysts rhombic in section, also RHOMBENPORPHYRY, RHOMBPORPHYRY. |
| RHOMBPORPHYRIES | • RHOMBPORPHYRY n. an intermediate, moderately fine-grained igneous rock with feldspar inclusions, also RHOMBENPORPHYR, RHOMBENPORPHYRY. |
| SPERMATORRHOEAS | • spermatorrhoeas n. Plural of spermatorrhoea. • SPERMATORRHOEA n. involuntary seminal discharge without orgasm, also SPERMATORRHEA. |
| THERMORECEPTORS | • thermoreceptors n. Plural of thermoreceptor. • THERMORECEPTOR n. a sensory end organ that is stimulated by heat or cold. |