in·tra·vi·tam \| ̷ ̷ ̷ ̷| ̷ ̷ˌ ̷ ̷\adjective Etymology: from intra vitam, adverb 1.: performed upon or occurring in a subject that is alive < an intravitam diagnosis > < intravitam blood clotting > 2.of a stain: having the property of tinting living cells without killing them