resonant

Etymology

Borrowed from French résonnant or Latin resonāre (“to resound”).

adj

1. Resounding, echoing.
   From across the valley came the resonant sound of a distant church bell.
   strike a resonant note
2. (electrical, of a circuit) Adjusted as to dimensions so that currents or electric surgings are produced by the passage of electric waves of a given frequency.

noun

1. (phonetics) A sonorant vowel or consonant.