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Dictionary Suite
hard rock a style of rock music characterized by heavy amplification and harsh or distorted electric guitar.
maser a device that amplifies electromagnetic waves and concentrates them at a single microwave frequency (acronym for "microwave amplification by stimulated emission of radiation").
microphone a device that converts sound waves into electronic signals for recording, amplification, or broadcast.
resonance the amplification of vocal sounds with the throat or the chest or nasal cavities. [1/5 definitions]
resonant causing amplification of sound. [1/4 definitions]
superheterodyne of, pertaining to, or using a method of radio reception in which the incoming signal is transformed into an intermediate frequency which helps with amplification of the signal and eliminates unwanted signals. [1/2 definitions]