Department
Part of speech: noun
Definition: A part, portion, or subdivision. A distinct course of life, action, study, or the like; appointed sphere or walk; province. Subdivision of business or official duty; especially, one of the principal divisions of executive government; as, the treasury department; the war department; also, in a university, one of the divisions of instructions; as, the medical department; the department of physics. A territorial division; a district; esp., in France, one of the districts composed of several arrondissements into which the country is divided for governmental purposes; as, the Department of the Loire. A military subdivision of a country; as, the Department of the Potomac. Act of departing; departure.
Unit
Part of speech: adjective
Definition: For each unit.Having a size or magnitude of one.
Part of speech: noun
Definition: A standard measure of a quantity.An organized group comprising people and/or equipment.A self-contained military organization; usually a battalion, regiment, or naval ship.A member of a military organization.Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organization.An organization title of a subdivision of a group in a task force.A standard or basic quantity into which an item of supply is divided, issued, or used. In this meaning, also called unit of issue.With regard to Reserve Components of the Armed Forces, denotes a Selected Reserve unit organized, equipped, and trained for mobilization to serve on active duty as a unit or to augment or be augmented by another unit. Headquarters and support functions without wartime missions are not considered units.An element of a ring having a multiplicative inverse. (Formerly just the identity element 1R of a ring.)(commerce) An item which may be sold singly.(UK) (electricity) One kilowatt-hour (as recorded on an electricity meter).