Dictionary definitions that start with: A (9,938 entries)

acoustic delay line
acoustic device
acoustic gramophone
acoustic guitar
acoustic impedance
acoustic meatus
acoustic modem
acoustic nerve
acoustic phenomenon
acoustic power
acoustic projection
acoustic radiation pressure
acoustic reactance
acoustic resistance
acoustic spectrum
acoustic storage
acoustic wave
acoustical
acoustically
acoustician
acousticophobia
acoustics
acquaint
acquaintance
acquaintanceship
acquainted
acquainted with
acquiesce
acquiescence
acquiescent
New:  We also know Zip Codes FYI!