IPA: /ˌɪntrəˈviːnəsli/
KK: /ˌɪntrəˈviːnəsli/
In a way that involves injecting a substance directly into a vein.
The medication was administered intravenously to ensure quick absorption into the bloodstream.
Intravenously → It is formed from "in-" (meaning within) and "vena" (meaning vein) and the suffix "-ous" (meaning full of or pertaining to). The word "intravenously" means pertaining to or occurring within a vein.
Think of something happening 'within' ('in-') a 'vein' ('vena') — that's why intravenously refers to processes that occur inside a vein.