Third-person singular simple present indicative form of open fire

simple past tense and past participle of open source

Third-person singular simple present indicative form of open source

present participle of open source

Alternative form of open-and-shut

plural of Open Game

Alternative letter-case form of Open Game

plural of open game

(topology, mathematical analysis, restricted to metric spaces) The set of all points in a metric space whose distance from a given point ("the open ball's center") is less than a given length ("the open ball's radius").

(mathematics) A rectangle in the real plane which is an open set: i.e., which does not contain its edges. If the sides of the open rectangle are parallel to the plane's axes, then the open rectangle can be described as the Cartesian product of two open intervals.