See Also: OCTA(medicine)
octa-(dictionary)

octa- (iou)



octa- combining form. Before a vowel oct-.
[Greek okta- combining form of okto eight. Cf. OCTO-.]
Having eight, eightfold.
octa'decanol noun (Chemistry) any alcohol of the formula C18H37OH, of which many isomers exist; spec. (in full
n-octadecanol) the unbranched primary alcohol, found in whale oils (also called
stearyl alcohol): E20.
octamethyl,cyclo,tetrasi'loxane noun (Chemistry) a colourless oily liquid formed during silicone manufacture, with a cyclic tetrameric molecule of formula [(CH3)2SiO]4 M20.
oc'tandrous adjective (Botany) having eight stamens E19.
octa'peptide noun (Biochemistry) a peptide with eight amino acids in its molecule M20.
octapody noun (Prosody) a line of verse consisting of eight metrical feet E20.
octarch adjective (Botany) (of a vascular bundle) having eight strands of xylem, formed from eight points of origin L19.
octastich noun (Prosody) a group of eight lines of verse L16.