parenthesis
[noun]
Synonyms: digression, aside, discursion, divagation, excursion, excursus, interlude, break, intermission, interregnum, interval

[TahlilGaran] English Synonym Dictionary ▲

pa‧ren‧the‧sis /pəˈrenθəsəs, pəˈrenθɪsəs/ noun (plural parentheses /-siːz/) [countable usually plural]
[Date: 1500-1600; Language: Late Latin; Origin: Greek, from parentithenai 'to put in']

1. a round bracket
in parentheses
The figures in parentheses refer to page numbers.

2. in parenthesis British English, in parentheses American English if you say something in parenthesis, you say it while you are talking about something else in order to add information or explain something:
In parenthesis, I should add that the results have not yet been proven.
⇒ punctuation mark

[TahlilGaran] Dictionary of Contemporary English ▲