Word: subsonic
Part of speech: Adjective
Syllables: sub
so
ic
Definition: less than the speed of sound (in the same medium, and at the same temperature and pressure)
Morphemes:
Affix: sub-
Language: en
PoS: Prefix
Meaning: almost, nearly
Etymology Compounds: Affix: sub
Language: la
Decoded: sub
Meaning: under
Affix: sonic
Language: en
PoS: Adjective
Meaning: Having a speed approaching that of the speed of sound in air.
Etymology Compounds: Affix: sonus
Language: la
Decoded: sonus
PoS: Noun
Meaning: sound, noise; pitch; speech