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OCTODEC'IMAL, a. [L. octo, eight, and decem, ten.] In crystallography, designati...
OCTO'BER, n. [L. from octo, eighth; the eighth month of the primitive Roman year...
OC'TILE, n. The same as octant, supra.
OCTEN'NIAL, a. [L. octo, eight, and annus, year.] 1. Happening every eighth year...
OCTA'VO, n. [L. octavus, eighth.] A book in which a sheet is folded into eight l...
OC'TAVE, a. [infra.] Denoting eight. OC'TAVE , n. [L. octavus, eighth.] 1. The e...
OC'TANT, n. [L. octans, an eighth part, from octo, eight.] In astronomy, that as...
OCTAN'GULAR, a. [L. octo, eight, and angular.] Having eight angles.
OCTAN'DRIAN, n. Having eight stamens.
OCTAN'DER, n. [Gr. eight, and a male.] In botany, a plant having eight stamens.
OCTAHE'DRON, n. [Gr. eight and a base.] In geometry, a solid contained by eight ...
OCTAHE'DRITE, n. Pyramidical ore of titanium.
OCTAHE'DRAL, a. [See Octahedron .] Having eight equal sides.
OCTAG'ONAL, a. Having eight sides and eight angles.
OC'TAGON, n. [Gr. eight and angle.] 1. In geometry, a figure of eight sides and ...
OC'TACHORD, n. an instrument or system of eight sounds.