subsentence

noun
sub·​sen·​tence | \ ˈsəb-ˌsen-tᵊn(t)s How to pronounce subsentence (audio) , -tᵊnz\
variants: or sub-sentence
plural subsentences or sub-sentences

Definition of subsentence

1 grammar : a sentence that is part of a larger sentence "I was late" is a subsentence of "I was late because it was snowing."
2 : a mathematical or logical statement that makes up part of a larger mathematical or logical statement The sentence "A = B implies that B = C" contains the subsentences A = B and B = C.

First Known Use of subsentence

1881, in the meaning defined above

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