fəˈnäməd.ə(r) noun
Etymology: probably from French phonomètre, from phon- + -mètre -meter
: an instrument for measuring the intensity of sound or the frequency of its vibration
fəˈnäməd.ə(r) noun
Etymology: probably from French phonomètre, from phon- + -mètre -meter
: an instrument for measuring the intensity of sound or the frequency of its vibration
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012