tangible
adj.
1580s, "capable of being touched," from Middle French tangible and directly from Late Latin tangibilis "that may be touched," from Latin tangere "to touch" (see tangent, adj.). Sense of "material" (as in tangible reward) is first recorded 1610s; that of "able to be realized or dealt with" is from 1709. Related: Tangibly.
〔李〕[tang=to touch 触；-ible a.=capable of可……的→“capable of being touched可接触的，可触知的”→] a.①having a touchable ordefinite shape有形的