23 ผลลัพธ์ สำหรับ octa-
หรือค้นหา: -octa-, *octa*

NECTEC Lexitron Dictionary EN-TH
octa(n) จำนวนแปด, See also: เลขแปด, Syn. oct-, octo-
octa(prf) แปด

ตัวอย่างประโยคจาก Tanaka JP-EN Corpus
octaOctal paid a large grant for the researchers to study the marker.

WordNet (3.0)
octagon(n) an eight-sided polygon
octahedron(n) any polyhedron having eight plane faces
octal(adj) of or pertaining to a number system having 8 as its base, Example: an octal digit
octal digit(n) a digit from 0 to 7 in octal notation
octal notation(n) any mathematical notation that uses 8 different characters (usually the digits 0 to 7)
octal numeration system(n) a positional system of numeration that uses octal digits and a radix of eight, Syn. octal number system
octameter(n) a verse line having eight metrical feet
octane(n) any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent
octane number(n) a measure of the antiknock properties of gasoline, Syn. octane rating
octangular(adj) of or relating to or shaped like an octagon, Syn. octagonal

Collaborative International Dictionary (GCIDE)
Octa-

A prefix meaning eight. See Octo-. [ 1913 Webster ]

Octa-

{ . [ L. octo eight, Gr. 'oktw`, with a combining form 'okta-. Cf. Eight. ] A combining form meaning eight; as in octodecimal, octolocular. [ 1913 Webster ]

Variants: Octo-
Octachord

n. [ Gr. &unr_; with eight strings; 'okta- (for 'oktw` eight) + &unr_; string, chord: cf. F. octacorde. ] (Mus.) An instrument of eight strings; a system of eight tones. [ Also written octochord. ] [ 1913 Webster ]

Octad

n. [ Gr. &unr_;, &unr_;, the number eight. ] 1. (Chem.) An atom or radical which has a valence of eight, or is octavalent. [ 1913 Webster ]

2. A group of eight things. [ PJC ]

Octaedral

a. See Octahedral. [ 1913 Webster ]

Octaemeron

‖n. [ NL., fr. Gr. &unr_;, neut. of &unr_; of the eighth day. ] (Eccl.) A fast of eight days before a great festival. Shipley. [ 1913 Webster ]

Octagon

n. [ Gr. &unr_; eight-cornered; 'okta- (for 'oktw` eight) + &unr_; an angle: cf. F. cctogone. ] 1. (Geom.) A plane figure of eight sides and eight angles. [ 1913 Webster ]

2. Any structure (as a fortification) or place with eight sides or angles. [ 1913 Webster ]


Regular octagon, one in which the sides are all equal, and the angles also are all equal. [ 1913 Webster ]

octagonal

a. Having eight sides and eight angles. [ 1913 Webster ]

octagynous

a. [ Octa- + Gr. gynh` wife. ] (Bot.) Having eight pistils or styles; octogynous. [ 1913 Webster ]

octahedral

a. [ See octahedron. ] Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage; an octahedral crystal. [ 1913 Webster ]


octahedral borax (Chem.), borax obtained from a saturated solution in octahedral crystals, which contain five molecules of water of crystallization; distinguished from common or prismatic borax. --
Octahedral iron ore (Min.), magnetite. [ 1913 Webster ]


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