| OA (office automation) | โอเอ (การอัตโนมัติสำนักงาน) [คอมพิวเตอร์ ๑๙ มิ.ย. ๒๕๔๔] |
| OA (office automation) | โอเอ (การอัตโนมัติสำนักงาน) [เทคโนโลยีสารสนเทศ ๑๑ มี.ค. ๒๕๔๕] |
| oahu | (n) an island of central Hawaii (between Molokai and Kauai); the chief island of the state, Syn. Oahu Island |
| oak | (n) the hard durable wood of any oak; used especially for furniture and flooring |
| oak | (n) a deciduous tree of the genus Quercus; has acorns and lobed leaves, Syn. oak tree, Example: great oaks grow from little acorns |
| oak apple | (n) oak gall caused by larvae of a cynipid wasp |
| oak blight | (n) a black plant louse that lives on oaks and dogwoods |
| oak chestnut | (n) a tree of the genus Castanopsis |
| oaken | (adj) consisting of or made of wood of the oak tree, Example: a solid oak table; the old oaken bucket |
| oak fern | (n) bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere, Syn. Gymnocarpium dryopteris, Thelypteris dryopteris |
| oakland | (n) a city in western California on San Francisco Bay opposite San Francisco; primarily and industrial urban center |
| oak leaf cluster | (n) a United States military decoration consisting of bronze or silver oak leaves and acorns awarded to anyone who has won a given medal before |
| Oad | n. See Woad. [ Obs. ] Coles. [ 1913 Webster ] |
| Oaf | n. [ See Auf. ]
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| Oafish | a. Like an oaf; simple or clumsy. -- |
| Oak | n. [ OE. oke, ok, ak, AS. āc; akin to D. eik, G. eiche, OHG. eih, Icel. eik, Sw. ek, Dan. eeg. ] [ 1913 Webster ] ☞ Among the true oaks in America are: ☞ Among plants called
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| Oaken | a. [ AS. ācen. ] Made or consisting of oaks or of the wood of oaks. “In oaken bower.” Milton. [ 1913 Webster ] Oaken timber, wherewith to build ships. Bacon. [ 1913 Webster ] |
| Oaker | n. See Ocher. [ Obs. ] Spenser. [ 1913 Webster ] |
| Oakling | n. A young oak. Evelyn. [ 1913 Webster ] |
| Oakum | n. [ AS. ācumba; pref. ā- (cf. G. er-, Goth. us-, orig. meaning, out) + cemban to comb, camb comb. See Comb. ]
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| Oaky | n. Resembling oak; strong. Bp. Hall. [ 1913 Webster ] |
| Oar | v. t. & i. Oared with laboring arms. Pope. [ 1913 Webster ] |
| オア | [oa] (n) { comp } OR [Add to Longdo] |
| オーエー | [おーえー, o-e-] OA [Add to Longdo] |
| オア | [おあ, oa] OR [Add to Longdo] |
| Oase { f } | Oasen { pl } | oasis | oases [Add to Longdo] |
| Oaxacaammer { f } [ ornith. ] | Oaxaca Sparrow [Add to Longdo] |
| Oahuastläufer { m } [ ornith. ] | Oahu Creeper [Add to Longdo] |
| OAS : Organisation amerikanischer Staaten | OAS : Organization of American States [Add to Longdo] |