List of 10-letter words beginning with

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There are 15 ten-letter words beginning with OCTA

OCTACHORDS	• octachords n. Plural of octachord. • OCTACHORD n. an instrument of eight strings; a system of eight tones.
OCTAHEDRAL	• octahedral adj. Having eight plane surfaces; thus, in the shape or form of an octahedron. • octahedral adj. Of, or pertaining to octahedra. • OCTAHEDRAL adj. having eight faces or sides.
OCTAHEDRON	• octahedron n. (Geometry) a polyhedron with eight faces; the regular octahedron has regular triangles as faces and… • OCTAHEDRON n. (Greek) a solid bounded by eight plane faces, also OCTOHEDRON.
OCTAMEROUS	• octamerous adj. (Biology, zoology) Having parts in groups of eight. • OCTAMEROUS adj. having eight parts or organs.
OCTAMETERS	• octameters n. Plural of octameter. • OCTAMETER n. a verse-line of eight feet.
OCTANDRIAN	• OCTANDRIAN adj. of or pertaining to the Octandria; having eight distinct stamens, also OCTANDROUS.
OCTANDROUS	• octandrous adj. (Botany) Having eight stamens. • OCTANDROUS adj. of or pertaining to the Octandria; having eight distinct stamens, also OCTANDRIAN.
OCTANGULAR	• octangular adj. Octagonal, with eight angles. • OCTANGULAR adj. having eight angles.
OCTAPLOIDS	• octaploids n. Plural of octaploid. • OCTAPLOID n. a cell, organism or form with eight sets of chromosomes, also OCTOPLOID.
OCTAPLOIDY	• octaploidy n. Alternative form of octoploidy. • OCTAPLOIDY n. the condition of being octaploid, eightfold.
OCTAPODIES	• octapodies n. Plural of octapody. • OCTAPODY n. in verse, a line of eight feet.
OCTARCHIES	• octarchies n. Plural of octarchy. • OCTARCHY n. a government by eight people.
OCTASTICHS	• octastichs n. Plural of octastich. • OCTASTICH n. a poem or stanza of eight lines, also OCTASTICHON.
OCTASTYLES	• octastyles n. Plural of octastyle. • OCTASTYLE n. an octastyle building, also OCTOSTYLE.
OCTAVALENT	• octavalent adj. (Chemistry) Having an atomic valence of 8. • octavalent adj. (Medicine) Having a vaccine valence of 8. • OCTAVALENT adj. having a valency of eight.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

English Wiktionary: 51 words
Scrabble in French: 12 words
Scrabble in Spanish: 13 words
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: 13 words

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