Quiescent a. : Being in a state of repose; at rest; still; not moving; as, a quiescent body or fluid.

Quiescent a. : Not ruffed with passion; unagitated; not in action; not excited; quiet; dormant; resting.

Quiescent a. : Not sounded; silent; as, y is quiescent in "day" and "say."

Quiescent n. : A silent letter.

Example:
What is and how do you find the Quiescent point of a circuit?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, nt, adjective, Etymology, Latin, present participle.

Defination from the web:
quiescent from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Etymology: Latin quiescent-, quiescens, present participle of quiescere to become quiet, rest, from quies. Date: 1605. 1 : marked by ...