(ecology) lay date. This has relevance to avian breeding habits.

A ritual during which an initiate is admitted to an organization or given secret knowledge; sometimes contains one or more tests that have to be passed or endured

plural of clutch initiation

plural of initiation ceremony

plural of initiation codon

A measure put directly to a vote after being submitted by a petition.

(computing) A computer-human interaction in which either the computer or the human can take initiative and decide what to do next.

(manufacturing) An item that is not terminally defective but fails to meet the manufacturer's technical standards for sale through its normal retail channels.

(category theory) An object within a category which sends out arrows to all other objects in that category, and such that each of these arrows is unique.

In surveying, the point where the principal meridian crosses the baseline.