The definition of a unit is a fixed standard amount or a single person, group, thing or number.
An example of a unit is a single apartment in an apartment building.
- the smallest whole number; one
- a magnitude or number regarded as an undivided whole
- the number in the position just to the left of the decimal point
- any fixed quantity, amount, distance, measure, etc. used as a standard; specif.,
- ⌂ a fixed amount of work used as a basis in awarding scholastic credits, usually determined by the number of hours spent in class
- the amount of a drug, vaccine, serum, or antigen needed to produce a given result, as on a certain animal or on animal tissues
- a single person, group, or thing, esp. as distinguished from others or as part of a whole
- a single, distinct part or object, esp. one used for a specific purpose: the lens unit of a camera
- a single residence, as an apartment, that is part of a complex: a rental unit
- Mil. an organized body of troops, airplanes, etc. forming a subdivision of a larger body
Origin of unitback-formation (prob. modeled on digit) ; from unity
- An individual, group, structure, or other entity regarded as an elementary structural or functional constituent of a whole.
- A group regarded as a distinct entity within a larger group.
- a. A mechanical part or module.b. An entire apparatus or the equipment that performs a specific function.
- A precisely specified quantity in terms of which the magnitudes of other quantities of the same kind can be stated.
- Medicine The quantity of a vaccine, serum, drug, or other agent necessary to produce a specific effect.
- a. A fixed amount of scholastic study used as a basis for calculating academic credits, usually measured in hours of classroom instruction or laboratory work.b. A section of an academic course focusing on a selected theme: a unit on Native Americans.
- The number immediately to the left of the decimal point in the Arabic numeral system.
- Mathematics a. The lowest positive whole number; one.b. An element of a ring with a multiplicative inverse.
Origin of unitBack-formation from unity.
- (sciences) A standard measure of a quantity.
- The centimetre is a unit of length.
- The number one.
- Short form of international unit
- This pill provides 500 units of Vitamin E.
- An organized group comprising people and/or equipment.
- He was a member of a special police unit.
- (military, informal) A member of a military organization.
- The fifth tank brigade moved in with 20 units. (i.e., 20 tanks)
- (US, military) Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organization .
- (US, military) An organization title of a subdivision of a group in a task force .
- (US, military) A standard or basic quantity into which an item of supply is divided, issued, or used. In this meaning, also called unit of issue .
- (US, military) 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 .
- (algebra) An element of a ring having a multiplicative inverse. (Formerly just the identity element 1R of a ring.)
- (geology) A volume of rock or ice of identifiable origin and age range that is defined by the distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic features (facies) that characterize it.
- (commerce) An item which may be sold singly.
- We shipped nearly twice as many units this month as last month.
- (UK, electricity) One kilowatt-hour (as recorded on an electricity meter).
- (Australia, New Zealand) a measure of housing equivalent to the living quarters of one household, an apartment where a group of apartments is contained in one or more multi-storied buildings or a group of dwellings is in one or more single storey buildings, usually arranged around a driveway.
- For each unit.
- We have to keep our unit costs down if we want to make a profit.
- (mathematics) Having a size or magnitude of one.