(software, object-oriented programming) A view of an object system at a particular point in time that details the relationships between class instances.

plural of object graph

(category theory) An object which is both an initial object and a terminal object.

objective (part of a microscope, telescope, etc.)

(astronomy) a quasar / (dated) a radio-quiet quasar

(computing) Any programming language that encapsulates the state and operations inside objects that may or may not support inheritance.

plural of object-based language

(law) A duty which one owes and ought to perform on the basis of considerations of right and wrong, but which he is not legally bound to fulfill, as a duty to be charitable, a duty to pay a debt barred by the act of limitations, etc.

plural of object glass

(rare) Synonym of oboeist