0 the symbols ( ) that are put around a word, phrase, or sentence in a piece of writing to show that what is inside them should be considered as separate from the main part --
After reading the first draft of my thesis, he suggested deletion of a number of passages by putting round brackets indicating the portions to be deleted.
Number of parasites recovered is noted in round brackets.
The front porch is supported by turned posts and features quarter round brackets and a spindlework cornice on its roof.
Molecules with multiple functional groups that are the same may be expressed by enclosing the repeated group in round brackets.
Round brackets are those used most often in writing.
Terms in round brackets indicate that these terms are calculated based on perturbation theory.
It features a wraparound porch with turned supports, spindlework, and round brackets.
Traditionally, the "sic" appears after the quote in parentheses (round brackets): (sic), especially when the error is obvious.