(informal, aviation) A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident.

(web development) To focus on the inputs and outputs without worrying about the internal complexity.

plural of black box

Third-person singular simple present indicative form of black box

present participle of black box

simple past tense and past participle of black box

(US) A warning, surrounded by a black border, affixed to a prescription drug to indicate that it may cause serious or life-threatening effects.

(software, testing) Any form of testing in which knowledge of the internals of the system being tested are unknown and unimportant.

plural of black box warning

(optimization) A function whose closed-form expression is not known or does not exist, and whose properties cannot be inferred.