ˈfōˌnän noun
( -s )
Etymology: phon- + -on
: one of the quanta into which compression-wave energy is assumed to be divided and which like photons are supposed to have individual identity and mean free path — compare second sound
ˈfōˌnän noun
( -s )
Etymology: phon- + -on
: one of the quanta into which compression-wave energy is assumed to be divided and which like photons are supposed to have individual identity and mean free path — compare second sound
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012