(law, finance, business) Used to indicate the timing and contingency of some obligation in contracts, especially financial.

At the time of an event, contingent on that event happening at all.

(informal, chiefly law) In the event that the thing being discussed comes to pass.

Alternative form of whenas

plural of when

(philosophy) Existence at a particular point in time.

(UK) as soon as

Contraction of when is. / (informal) Contraction of when has. / (informal) Contraction of when does. / (colloquial) Contraction of when was.

(interrogative) At what time? At which time? Upon which occasion or circumstance? Used to introduce direct or indirect questions about time.

At (or as soon as) that time that; at the (or any and every) time that; if. / During the time that; at the time of the action of the following clause or participle phrase. / At what time; at which time.