subsentence

noun

sub·​sen·​tence ˈsəb-ˌsen-tᵊn(t)s 

-tᵊnz

variants or sub-sentence

plural subsentences or sub-sentences

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.

Word History

First Known Use

1881, in the meaning defined at sense 1