D defs.my
Entry 2 senses Webster, 1913

Intramolecular

· In·tra·mo·lec·u·lar · IPA
01 a. Between molecules; situated, or acting, between the molecules of bodies.
  1. 1.
    Between molecules; situated, or acting, between the molecules of bodies.(Chem. & Physics) [Obs.]
  2. 2.
    Being or occurring within a single molecule; as, intramolecular hydrogen bonds.