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).
Piece
Part of speech: noun
Definition: A part of a larger whole, usually in such a form that it is able to be separated from other parts.A single item belonging to a class of similar items: as, for example, a piece of machinery, a piece of software.One of the small objects played in board games, eg a pawn or a draught.A coin, especially one valued at less than the principal unit of currency.An artistic creation, such as a painting, sculpture, musical composition, literary work, etc.(plural) sandwiches, packed lunch.A sexual encounter.A gun.An artillery gun.A cannabis pipe.(short for "piece of crap") a shoddy or worthless object, usually applied to consumer products like vehicles or appliances.(short for hairpiece) a toupee or wig
Part of speech: verb
Definition: (usually with "together"): To reassemble something (real or metaphorically.)