(biochemistry) Any oligopeptide containing seven amino acid residues

(geometry) A figure which has seven angles; a heptagon.

plural of septangle

(archaic) Synonym of septicemia

(chemistry) Obsolete form of heptane.

plural of septane

plural of septarium

(geology) A flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals.

plural of septapeptide

(geology) Containing or relating to septaria.