subfragment

noun
sub·​frag·​ment | \ ˌsəb-ˈfrag-mənt How to pronounce subfragment (audio) \
variants: or sub-fragment
plural subfragments or sub-fragments

Definition of subfragment

: a piece that is detached, broken off, or derived from a larger fragment myosin subfragments

First Known Use of subfragment

1922, in the meaning defined above

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The first known use of subfragment was in 1922

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to spread over or through

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