ex·plant I. \(ˈ)eks+\transitive verb Etymology:ex- + plant, v. : to remove (living tissue) to a place or medium outside the natural habitat especially in tissue culture • ex·plan·ta·tion\|eks+\noun-s II. \ˈeks+ˌ\noun (-s) : living tissue removed from its place in the body and placed in an artificial medium for tissue culture