| OCCASIONALISM | • occasionalism n. (Philosophy, uncountable) A metaphysical doctrine that holds that all events are occasioned (caused) by God. • occasionalism n. (Linguistics, countable) A nonce word. • OCCASIONALISM n. the Cartesian explanation of the apparent interaction of mind and matter by the direct intervention of God on the occasion of certain changes occurring in one or the other. |
| OCCASIONALIST | • occasionalist n. A proponent of occasionalism. • OCCASIONALIST n. a believer in occasionalism. |
| OCCASIONALITY | • occasionality n. The quality of being occasional. • OCCASIONALITY n. the state of being occasional. |
| OCCIDENTALISE | • occidentalise v. Alternative form of occidentalize. • OCCIDENTALISE v. to make occidental, also OCCIDENTALIZE. |
| OCCIDENTALISM | • occidentalism n. The habits and attitudes of westerners. • OCCIDENTALISM n. the study of the Occident. |
| OCCIDENTALIST | • occidentalist n. One who studies occidental languages. • occidentalist n. A person who favours Western ideas or customs. • OCCIDENTALIST n. one who studies the Occident. |
| OCCIDENTALIZE | • occidentalize v. (Transitive) To convert or adapt to Western culture. • OCCIDENTALIZE v. to make occidental, also OCCIDENTALISE. |
| OCCLUSIVENESS | • occlusiveness n. The condition of being occlusive. • OCCLUSIVENESS n. the state of being occlusive. |
| OCEANOGRAPHER | • oceanographer n. A person who studies oceanography, the science of oceans. • OCEANOGRAPHER n. one who maps the oceans. |
| OCEANOGRAPHIC | • oceanographic adj. Relating to oceanography, the science of oceans. • OCEANOGRAPHIC adj. relating to oceanography, also OCEANOGRAPHICAL. |
| OCEANOLOGICAL | • oceanological adj. Of or pertaining to oceanology. • OCEANOLOGICAL adj. related to oceanology. |
| OCEANOLOGISTS | • oceanologists n. Plural of oceanologist. • OCEANOLOGIST n. a student of oceanology. |
| OCHLOCRATICAL | • ochlocratical adj. Pertaining to ochlocracy. • OCHLOCRATICAL adj. relating to ochlocracy, rule by the mob, also OCHLOCRATIC. |
| OCHLOPHOBIACS | • ochlophobiacs n. Plural of ochlophobiac. • OCHLOPHOBIAC n. one who suffers from ochlophobia, a morbid fear of crowds. |
| OCTINGENARIES | • OCTINGENARY n. an eight-hundredth anniversary, also OCTINGENTENARY, OCTOCENTENARY. |
| OCTOCENTENARY | • octocentenary n. An eight-hundredth anniversary. • OCTOCENTENARY n. an eight-hundredth anniversary, also OCTINGENARY, OCTINGENTENARY. |
| OCTODECILLION | • octodecillion n. (US, modern British and Australian, short scale, rare) 1057. • octodecillion n. (Dated British and Australian, long scale, rare) 10108. • OCTODECILLION n. ten to the 108th power. |
| OCTOGENARIANS | • octogenarians n. Plural of octogenarian. • OCTOGENARIAN n. a person whose age is in the eighties. |
| OCTOSYLLABICS | • octosyllabics n. The use of octosyllabic lines in poetry. • OCTOSYLLABIC n. an octosyllabic line. |
| OCTOSYLLABLES | • octosyllables n. Plural of octosyllable. • OCTOSYLLABLE n. a word or line of eight syllables. |