The Correct spelling is: parenthesis
Common misspellings of the word parenthesis are:
How do you spell parenthesis?. It is not paranthesis
n., pl. -ses (-sÄ“z').
- Either or both of the upright curved lines, ( ), used to mark off explanatory or qualifying remarks in writing or printing or enclose a sum, product, or other expression considered or treated as a collective entity in a mathematical operation.
- A qualifying or amplifying word, phrase, or sentence inserted within written matter in such a way as to be independent of the surrounding grammatical structure.
- A comment departing from the theme of discourse; a digression.
- An interruption of continuity; an interval: â€œThis is one of the things I wasn't prepared forâ€”the amount of unfilled time, the long parentheses of nothingâ€ (Margaret Atwood).
[Late Latin, insertion of a letter or syllable in a word, from Greek, from parentithenai, to insert : para-, beside; see paraâ€“1 + en-, in + tithenai, to put.]