(medicine) ophthalmitis

Synonym of keep one's options open

simple past tense and past participle of open source

Third-person singular simple present indicative form of open source

present participle of open source

An unannounced or lightly announced business opening, instead of or prior to a grand opening.

Alternative form of open-and-shut

A French cake made with layers of almond sponge soaked in coffee syrup, layered with ganache and coffee buttercream, and covered in a chocolate glaze.

plural of Semi-Open Game

A type of chess opening, in which White plays 1.e4 (moves their king's pawn to the fourth rank with their first move) and Black breaks symmetry by replying with a move other than 1...e5.