Associations to the word «Subsonic»

Wiktionary

SUBSONIC, adjective. (of a sound) having a frequency too low to be audible
SUBSONIC, adjective. (of a speed) less than the speed of sound (in the same medium, and at the same temperature and pressure)
SUBSONIC, adjective. (fluid mechanics) (of a flow) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources).

Dictionary definition

SUBSONIC, adjective. (of speed) less than that of sound in a designated medium; "aircraft flying at subsonic speeds".

Wise words

Life has no meaning unless one lives it with a will, at least to the limit of one's will. Virtue, good, evil are nothing but words, unless one takes them apart in order to build something with them; they do not win their true meaning until one knows how to apply them.
Paul Gauguin