octant
octaploid octarch octarchy octaroon octastyle octateuch octavalent octave octave-flute octavo octennial octennially octet octette octillion octingentenary october octobrist octocentenary octocentennial octode octodecimo octogenarian octogynous octolateral octonal octonarian octonary octonocular |
octant /'ɔktənt/
danh từ
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