"having a tendency to become liquid," 1727, from Latin liquescentem (nominative liquescens), present participle of liquescere "to melt," from liquere "to be liquid" (see liquid (adj.)) Related: Liquescency (1650s).
lip-read
lip-service
lipstick
liquefaction
liquefy
liquescent
liqueur
liquid
liquidate
liquidation
liquidator