A graph showing the curvilinear relationship between time and the concentration of a substance

Now is the appropriate moment.

Alternative form of third time's a charm

To hold a professional, political, etc. position for a set period of time. / Alternative form of serve time (“serve a jail sentence”)

simple past tense and past participle of serve one's time

Third-person singular simple present indicative form of serve one's time

present participle of serve one's time

Third-person singular simple present indicative form of hit the big time

present participle of hit the big time

(programming) A form of software debugging allowing the user to step back and forward through the recorded prior execution of a program.