plural of octa

eight

(meteorology) The proportion of the sky that is obscured by clouds, in eighths (one octa means that one eighth of the sky is obscured, two octas that one quarter is obscured, and so on).

(architecture) Having eight columns in the front row (of a portico etc.)

A portico with eight columns.

(inorganic chemistry) The most common allotrope of sulfur (S₈), containing eight atoms in a ring.

(inorganic chemistry) Octasulfur.

A poem or strophe of eight verses or lines.

Alternative form of octosyllabic

plural of octastich