Third-person singular simple present indicative form of decompose.(verb)
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Use "decomposes" in a sentence
"Next, this unstable atom, this new radio-element which we have called decomposes exponentially with a half-life of three minutes."
"Self. detach, by Tim Horntrich and Jens Wunderling "decomposes" Flickr self-portraits into grains of colored sand, literally materializing the pixels; Caleb Larsen's"
"The humus decomposes further into a “load of loose molecules,” which are carried off by wind and water."