noun
: an absorption spectrum in the microwave wavelength range ; especially : one in the range between about 15 centimeters and 0.25 centimeters
noun
: an absorption spectrum in the microwave wavelength range ; especially : one in the range between about 15 centimeters and 0.25 centimeters
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012