Synonym of septet: a group of seven things. / (genetics) A sequence of seven bases.

of, or relating to a heptad; sevenfold

plural of heptad

plural of heptade

A sum or group of seven. / (chemistry) An atom, radical or element having a combining power of seven.

(geometry) A polygon with seventeen sides and seventeen angles.

plural of heptadecagon

An oligomer having seventeen subunits

of or pertaining to a heptadecamer

plural of heptadecamer