"in or occurring within a vein," 1847, from intra- "within, inside" + Latin venous, from vena "vein" (see vein). Related: Intravenously.
an intravenous inflammation
intravenous feeding
intra-peritoneal
intra-personal
intra-psychic
intraspecific
intra-uterine
intravenous
intrench
intrepid
intrepidity
intricacy
intricate