amplifier

noun 0.736

parametric amplifier

noun 0.638

push-pull amplifier

noun 0.609

preemphasis

noun 0.606

amplification

noun 0.590

preprocessor

noun 0.558

preamble

noun 0.551

precompiler

noun 0.538

photomultiplier

noun 0.528

sense amplifier

noun 0.525

precursor

noun 0.520

preemie

noun 0.518

preluding

noun 0.516

preverb

noun 0.514

prelude

noun 0.514

phase inverter

noun 0.511

prepositive

noun 0.506

audiophile

noun 0.506

photomultiplier tube

noun 0.502

preliminary

noun 0.501