(US, military) Initialism of maintenance operations control center.

(mathematics) A form (expression) that does not use limits, implicitly or explicitly. / (mathematics) A differential form whose exterior derivative is zero.

(colloquial, often derogatory or humorous) To subject to (excessive) Christian proselytizing, preaching, or moralizing. / To exclaim Jesus (at).

Third-person singular simple present indicative form of let down