'mOl-t&n Function: adjective Etymology: Middle English, from past participle of melten to melt 1 obsolete : made by melting and casting 2 : fused or liquefied by heat : MELTED 3 : having warmth or brilliance : GLOWING audio 'o-dE-"O Function: adjective Etymology: audio- 1 : of or relating to acoustic, mechanical, or electrical frequencies corresponding to normally audible sound waves which are of frequencies approximately from 15 to 20000 hertz 2 a : of or relating to sound or its ...