A person who checks that passengers on a train etc have a valid ticket, and marks it so that it cannot be used again.

(finance) The total number of contracts outstanding between market participants in a market for futures, options, or other derivatives.

When looked back upon as a past event; as can be seen now, but not at the time.

(idiomatic, Britain) To dedicate a large amount of effort towards.

Disposed (to do something or for something; often romantic or sexual, without further context).

(fencing) An established threat made with the extended arm.

The act of injecting, or something that is injected. / A specimen prepared by injection. / (category theory) A morphism from either one of the two components of a coproduct to that coproduct.

(chiefly law) In the matter of; with regard to.

Alternative spelling of built-in

property used as part payment for a new purchase / a transaction including such payment