| 单词 | octa- |
| 释义 | oct- /okt-/ or octa- /ok-tə- or ok-ta-/, also octo- (qv)combining formDenoting eight ORIGIN: Gr okta-, combining form of oktō eight octachord /okˈtə-körd/ noun
octachordˈal adjective octagon /okˈtə-gon/ noun (Gr gōniā an angle) a plane figure of eight sides and eight angles (also adjective) octagonal /-taˈgən-əl/ adjective octaˈgonally adverb octahēˈdral adjective octahēˈdrite noun (mineralogy) Anatase, crystallizing in square bipyramids octahedron /ok-tə-hēˈdrən/ noun (pl octahēˈdrons or octahēˈdra) (Gr hedrā a base) a solid bounded by eight plane faces octamerous /ok-tamˈ/ adjective (Gr meros a part) having parts in eights octameter /ok-taˈmi-tər/ noun (Gr metron a measure; prosody) A line of eight feet or measures Octanˈdria plural noun (Gr anēr, andros a man) a Linnaean class of plants with eight stamens octanˈdrian adjective octandrous /ok-tanˈdrəs/ adjective (botany) Having eight stamens octangular /ok-tangˈgū-lər/ adjective Having eight angles octapodic /ok-tə-podˈik/ adjective octapody /ok-taˈpə-di/ noun (Gr pous, podos foot; prosody) A line of eight feet octastich /okˈtə-stik/ noun (Gr stichos row, line; prosody) A strophe of eight lines, also octastichon /ok-taˈsti-kon/ octaˈstichous adjective (botany) In eight rows octastrophˈic adjective (Gr strophē strophe; prosody) Consisting of eight strophes octastyle, also octostyle /okˈtə-stīl/ adjective (Gr stȳlos a column; architecture) Having eight columns at the end nounA building or portico so designed octavāˈlent adjective (chem) Having a valency of eight octo- /ok-tō-, -tə or -to-/, also oct- or octa- (qqv)combining formDenoting eight ORIGIN: Gr oktō, and L octō octocentenary /ok-tō-sen-tēnˈə-ri, -sin-tenˈ or -senˈtin-/ noun An eight-hundredth anniversary octofid /okˈtə-fid/ adjective (L findere to cleave; botany) Cleft into eight segments Octogynˈia /-jinˈ/ plural noun (botany) In various Linnaean classes, an order with eight pistils octogynous /ok-tojˈi-nəs/ adjective (Gr gynē woman; botany) Having eight pistils or styles octoheˈdron noun An octahedron octopetalous /ok-tə-petˈə-ləs/ adjective Having eight petals octopod /okˈtə-pod/ adjective (Gr pous, podos foot) eight-footed or eight-armed nounAn octopus or other member of the Octopoda /-toˈ/, an order of cephalopods with two gills octoˈpodous adjective octosepalous /ok-tə-sepˈə-ləs/ adjective (botany) Having eight sepals octoˈstichous adjective Octastichous ocˈtostyle noun and adjective Octastyle octosyllabic /okˈtə-si-labˈik/ adjective Consisting of eight syllables nounA line of eight syllables octosyllable /-silˈə-bl/ noun A word or line of verse with eight syllables okta or octa /okˈta/ (aeronautics and meteorology)nounA unit equal to one-eighth of the sky area, used in specifying cloud cover for airfield weather condition reports ORIGIN: Gr okta- eight |
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