List of 12-letter words beginning with

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There are 16 twelve-letter words beginning with OCT

OCTAHEDRALLY	• octahedrally adv. In an octahedral manner. • OCTAHEDRAL adv. having eight faces or sides.
OCTAHEDRITES	• OCTAHEDRITE n. a variety of anatase, crystallising in square bipyramids.
OCTAPEPTIDES	• octapeptides n. Plural of octapeptide. • OCTAPEPTIDE n. a protein fragment or molecule that consists of eight amino acids linked in a polypeptide chain.
OCTAPLOIDIES	• OCTAPLOIDY n. the condition of being octaploid, eightfold.
OCTASTICHONS	• OCTASTICHON n. a poem or stanza of eight lines, also OCTASTICH.
OCTASTICHOUS	• octastichous adj. (Botany) Having a phyllotaxis of eight leaves in each spiral around a stem. • OCTASTICHOUS adj. in eight rows, also OCTOSTICHOUS.
OCTASTROPHIC	• OCTASTROPHIC adj. consisting of eight strophes.
OCTILLIONTHS	• octillionths n. Plural of octillionth. • OCTILLIONTH n. one of an octillion equal parts.
OCTOGENARIAN	• octogenarian n. Synonym of eightysomething: a person between 80 and 89 years old. • octogenarian adj. Of or related to eightysomethings. • OCTOGENARIAN n. a person whose age is in the eighties.
OCTOGENARIES	• octogenaries n. Plural of octogenary. • OCTOGENARY n. someone eighty years old.
OCTOPETALOUS	• octopetalous adj. (Botany) Having eight petals. • OCTOPETALOUS adj. having eight petals.
OCTOSEPALOUS	• OCTOSEPALOUS adj. having eight sepals.
OCTOSTICHOUS	• octostichous adj. (Botany) octastichous. • OCTOSTICHOUS adj. in eight rows, also OCTASTICHOUS.
OCTOSYLLABIC	• octosyllabic adj. Containing eight syllables. • OCTOSYLLABIC adj. consisting of eight syllables. • OCTOSYLLABIC n. an octosyllabic line.
OCTOSYLLABLE	• octosyllable n. (Poetry) line of verse with eight syllables. • OCTOSYLLABLE n. a word or line of eight syllables.
OCTUPLICATES	• octuplicates n. Plural of octuplicate. • OCTUPLICATE n. one of eight corresponding things.

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 1Word.ws and WikWik.org.

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See this list for:

English Wiktionary: 57 words
Scrabble in French: 13 words
Scrabble in Spanish: 5 words
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: 21 words

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