underbrace

English

Etymology

From under- +‎ brace.

Pronunciation

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Verb

underbrace (third-person singular simple present underbraces, present participle underbracing, simple past and past participle underbraced)

1. (transitive) To brace, fasten, or bind underneath.

Noun

underbrace (plural underbraces)

1. The symbol $\underbrace {}$.