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synthesizer

American  
[sin-thuh-sahy-zer] / ˈsɪn θəˌsaɪ zər /

noun

  • synthesizers
    plural
  1. a person or thing that synthesizes.

  2. any of various electronic, sometimes portable consoles or modules, usually computerized, for creating, modifying, and combining tones or reproducing the sounds of musical instruments by controlling voltage patterns, operated by means of keyboards, joysticks, sliders, or knobs.


synthesizer British  
/ ˈsɪnθɪˌsaɪzə /

noun

  1. an electrophonic instrument, usually operated by means of a keyboard and pedals, in which sounds are produced by voltage-controlled oscillators, filters, and amplifiers, with an envelope generator module that controls attack, decay, sustain, and release

  2. a person or thing that synthesizes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of synthesizer

First recorded in 1865–70; 1905–10 synthesizer for def. 2; synthesize + -er 1

Explanation

A synthesizer is a musical instrument that has a keyboard like a piano but can sound like just about any instrument in the world. The usually small, modest keyboard of a synthesizer can be deceiving — it's not just an electronic piano. Synthesizers can mimic the sound of a saxophone, drums, hand claps, or even an orchestra's entire string section. Some synthesizers even let you play a recorded sound and then manipulate it so it sounds just the way you want it to. Synthesizer comes from synthesize, "combine two or more things," and its Greek root synthesis, "a putting together."

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Vocabulary lists containing synthesizer

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Visually, the entire set was stunning, with fast cuts of Nancy Whang pounding on her keyboard, Al Doyle whirring his synthesizer, and Murphy shouting into his microphone, wrapped around his arm.

From Los Angeles Times ● Aug. 24, 2026

Born in Frankston, Texas in 1949, Beard joined ZZ Top in 1969 and followed the three-man band's progression from heavy blues to its experimental synthesizer sound of the 1980s.

From Barron's ● Aug. 18, 2026

But the groaning synthesizer underneath her bashful smile tells you something is off — a crystalline tone now distended, unnerving.

From Los Angeles Times ● Jul. 21, 2026

The midtempo “Ridin’ High” starts with a descending harp glissando that pours into a synthesizer seasoned by a vibraslap’s rattlesnake hiss.

From The Wall Street Journal ● May 25, 2026

A synthesizer, it seemed, or maybe an electric organ.

From "The Things They Carried" by Tim O'Brien

Traditionally, Schrader argued, artists and technology have evolved together, from Greek statuary to printing presses to synthesizers to digital filmmaking.

From Los Angeles Times ● May 28, 2026

Expansive vocal backgrounds were blended with a pronounced bass, synthesizers, chattering horns and pounding drums.

From The Wall Street Journal ● Dec. 29, 2025

Even so, there was no budget left for the music, Franglen had to borrow equipment and instruments from the manufacturers, and the majority of the score was recorded on synthesizers in a rented apartment.

From BBC ● Dec. 12, 2025

While on tracks like “Harry Stamper” and “Sábanas,” he embraces whimsical synthesizers and staccato vocal patterns to create a mystical soundscape.

From Los Angeles Times ● Dec. 10, 2025

I didn’t recognize the song, but I recognized David Gilmour’s voice, and the ebb and flow of Pink Floyd’s synthesizers.

From "The Darkest Minds" by Alexandra Bracken

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