modulate
mod·u·late / ˈmäjəˌlāt/ • v. [tr.] exert a modifying or controlling influence on: the state attempts to modulate private business's cash flow. ∎ vary the strength, tone, or pitch of (one's voice): we all modulate our voice by hearing it. ∎ alter the amplitude or frequency of (an electromagnetic wave or other oscillation) in accordance with the variations of a second signal, typically one of a lower frequency: radio waves are modulated to carry the analog information of the voice. ∎ [intr.] Mus. change from one key to another: the first half of the melody, modulating from E minor to G. ∎ [intr.] (modulate into) change from one form or condition into (another): ideals and opinions are not modulated into authoritative journalese.DERIVATIVES: mod·u·la·tion / ˌmäjəˈlāshən/ n.mod·u·la·tor / -ˌlātər/ n.
