| COMMEMORATORY | • commemoratory adj. Pertaining to commemoration. • COMMEMORATORY adj. serving to commemorate. |
| CORROBORATORY | • corroboratory adj. Serving to corroborate or strengthen. • CORROBORATORY adj. serving to corroborate. |
| LAEVOROTATORY | • laevorotatory adj. Alternative spelling of levorotatory. • lævorotatory adj. Alternative spelling of levorotatory. • LAEVOROTATORY adj. counterclockwise; rotating the plane of polarization of light to the left, also LEVOROTARY, LEVOROTATORY. |
| MICROPOROSITY | • microporosity n. The state of being microporous. • MICROPOROSITY n. the property of micropores, very small pores. |
| ODORIFEROUSLY | • odoriferously adv. In an odoriferous manner. • ODORIFEROUS adv. giving off an odour; morally offensive, also ODIFEROUS. |
| OPPROBRIOUSLY | • opprobriously adv. In an opprobrious manner. • OPPROBRIOUS adv. expressing contemptuous reproach; bringing disgrace. |
| ORTHOHYDROGEN | • orthohydrogen n. (Physics) form of the hydrogen molecule (H2) in which the two nuclei have parallel spin; about 75% of… • ORTHOHYDROGEN n. the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction. |
| ORTHOPYROXENE | • orthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals. • ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene. |
| PROPAROXYTONE | • proparoxytone adj. (Linguistics, of a word) Having the stress or accent on the antepenultimate syllable. • proparoxytone n. (Linguistics) A proparoxytone word. • PROPAROXYTONE n. in ancient Greek, a word having the acute accent on the third last syllable. |
| PROSOPOGRAPHY | • prosopography n. A study of the individuals in a group of people within a specific context and their relationships. • PROSOPOGRAPHY n. a biographical sketch; a description of person. |
| PROTEROGYNOUS | • proterogynous adj. (Botany) Having the pistil come to maturity before the stamens; protogynous. • PROTEROGYNOUS adj. exhibiting proterogyny. |
| RETROVIROLOGY | • retrovirology n. The scientific study of retroviruses. |