Noun

(en noun)

(sciences) A standard measure of a quantity.

The centimetre is a unit of length.

The number one.

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 organizationJoint Publication 1-02 U.S. Department of Defense Dictionary of Military and Associated Terms; 12 April 2001 (As Amended Through 14 April 2006). .

(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 1_R 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.

(historical) A gold coin of the reign of James I, worth twenty shillings.

(Camden)

Noun

(en noun)

Subject; theme; a category or general area of interest.

*{{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)

, title= The machine of a new soul , passage=The yawning gap in neuroscientists’ understanding of their topic is in the intermediate scale of the brain’s anatomy. Science has a passable knowledge of how individual nerve cells, known as neurons, work. It also knows which visible lobes and ganglia of the brain do what. But how the neurons are organised in these lobes and ganglia remains obscure. Yet this is the level of organisation that does the actual thinking—and is, presumably, the seat of consciousness.}}

(Internet) Discussion thread.

(obsolete) An argument or reason.

* Bishop Wilkins

contumacious persons, who are not to be fixed by any principles, whom no topics can work upon

(obsolete, medicine) An external local application or remedy, such as a plaster, a blister, etc.

(Wiseman)