(simile, colloquial) In excellent condition.

weather balloon

Investigation of the upper atmosphere by use of a radiosonde.

A popular music production technique, developed in the 1960s, in which a number of musicians perform the same instruments or parts in unison and the resulting sound is re-recorded in an echo chamber.

plural of sound bite

plural of sound card

plural of sound wave

plural of sound hole

(music) An opening in the belly of a stringed instrument that increases its volume and enhances its tone quality.

plural of sound box