The term "am component" refers to a specific part of a signal or waveform that is responsible for amplitude modulation. While there are no direct antonyms for the term "am component," there are several related terms that could be considered as opposite in meaning. For example, the term "fm component" refers to the frequency modulation component of a signal, which is a different type of modulation entirely. Other antonyms could include terms like "steady," "unchanging," or "constant," that are opposite in nature to the fluctuations in amplitude that are produced by the am component of a signal. Ultimately, the choice of antonyms for the term "am component" will depend on the specific context in which it is being used.