amplifié

Amplifié is the past participle of the French verb amplifier and functions as an adjective meaning “amplified.” It agrees in gender and number: amplifié (masculine singular), amplifiée (feminine singular), amplifiés (masculine plural), amplifiées (feminine plural).

Etymology and usage: The word derives from Latin amplificare, via Old French amplifier, sharing a root with amplification. In French, amplifié is used in a variety of technical and everyday contexts to indicate increased strength or magnitude.

In electronics and acoustics, amplifié commonly describes a signal or sound whose amplitude has been increased by an amplifier: un signal amplifié; un son amplifié. The device that performs this action is the amplificateur, and the process is amplification.

In music and performance contexts, amplified equipment refers to instruments or sound systems that produce a louder output through electronic amplification, as in guitare amplifiée or système de son amplifié.

In biology and molecular genetics, amplifié is used to indicate that DNA, RNA, or other material has been replicated or increased in quantity, for example ADN amplifié (DNA amplified) by PCR or other techniques.

Usage notes: As a participial adjective, amplifié follows standard French agreement rules. It is masculine singular by default; the feminine form is amplifiée, and the plural forms are amplifiés (masculine) and amplifiées (feminine).

See also: amplification, amplificateur, amplification du signal, amplification sonore.