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Synonyms

decompose

American  
[dee-kuhm-pohz] / ˌdi kəmˈpoʊz /

verb (used with object)

decomposed, decomposing
  1. to separate or resolve into constituent parts or elements; disintegrate.

    The bacteria decomposed the milk into its solid and liquid elements.

    Synonyms:
    analyze, fractionate, distill

verb (used without object)

decomposed, decomposing
  1. to rot; putrefy.

    The egg began to decompose after a day in the sun.

decompose British  
/ ˌdiːkəmˈpəʊz, ˌdiːkɒmpəˈzɪʃən /

verb

  1. to break down (organic matter) or (of organic matter) to be broken down physically and chemically by bacterial or fungal action; rot

  2. chem to break down or cause to break down into simpler chemical compounds

  3. to break up or separate into constituent parts

  4. (tr) maths to express in terms of a number of independent simpler components, as a set as a canonical union of disjoint subsets, or a vector into orthogonal components

"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

Related Words

See decay.

Other Word Forms

  • decomposability noun
  • decomposable adjective
  • decomposition noun
  • undecomposable adjective

Etymology

Origin of decompose

1745–55; < French décomposer, equivalent to dé- dis- 1 + composer to compose

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.

In regions such as the Amazon Basin, the Congo Basin, and the wetlands of Southeast Asia, thick layers of partially decomposed plant material build up over time.

From Science Daily

Instead of fully decomposing, plant material builds up layer upon layer over thousands of years, forming deep deposits of peat that lock away carbon for the long term.

From Science Daily

Before Jon Hallford was sentenced, he apologised in court and listened to family members describe having nightmares about their loved ones decomposing in his care.

From BBC

Scavengers could come and eat the dead animals, and what was left of their bodies would decompose and enrich the soil.

From Literature

Despite recycling efforts, most plastic ends up in landfills where it can take centuries to decompose, leaching out chemicals during that time, Deeney said.

From Barron's