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octa-
before vowels oct-, word-forming element meaning "eight," from Greek okta-, okt-, from PIE *okto(u) "eight" (see eight). The variant form octo- often appears in words taken from Latin, but the Greek form is said to be the more common in English.
updated on September 10, 2012
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Dictionary entries near octa-
ocelot
ocher
ochlocracy
ochre
-ocracy
octa-
octad
octagon
octagonal
octahedron
octane