Plural of composite; things made up of various parts or elements combined together.
From 'composite' (Latin 'compositus,' past participle of 'componere,' meaning 'to put together') + '-s' (plural marker). 'Composite' itself has been in English since the 15th century.
In materials science, composites are engineered materials combining two or more constituent materials with different physical properties—like carbon fiber and resin—that work better together than apart, a perfect embodiment of the word's Latin meaning.
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