(phonology) A sound change in which [b] (the voiced bilabial plosive) shifts to [v] (the voiced labiodental fricative).

The period or time between two events; interim; meantime; meanwhile.

plural of between-time

(idiomatic) Heaven; happiness after death.

plural of beta version

An intermediate or intermediary step, stage, process, or phase.

(attributive) Intermediate; intermediary; in-process; interim.

Used to wholeheartedly agree with somebody else's remark

It is better to arrive late than to risk your life speeding to a destination.

(chiefly fandom slang) To proofread a text, especially fan fiction.