The term 'condense on the surface' can be summarized by three crossword solutions: adsorb (6 letters), adsorbs (7 letters), and ABRIDGE (7 letters). Adsorb is a verb meaning to take up or absorb a liquid or gas, usually by chemical or physical action. Adsorbs is the third-person singular present form of the verb adsorb. ABRIDGE is a verb meaning to reduce in scope while retaining essential elements. All three words relate to the idea of condensing something onto a surface, either by absorbing it, taking it up, or reducing its scope.