trimming capacitor vs trimmer

trimming capacitor and trimmer both are nouns.

Word	Noun	Adjective	Verb	Adverb
trimming capacitor	Yes	No	No	No
trimmer	Yes	No	No	No

As nouns, trimming capacitor and trimmer are synonyms defined as:

trimming capacitor and trimmer: capacitor having variable capacitance; used for making fine adjustments

trimming capacitor (noun)	trimmer (noun)
capacitor having variable capacitance; used for making fine adjustments	joist that receives the end of a header in floor or roof framing in order to leave an opening for a staircase or chimney etc.
	capacitor having variable capacitance; used for making fine adjustments
	a machine that trims timber
	a worker who thins out and trims trees and shrubs