- (in a mixed number) the position of the first digit to the left of the decimal point.
- (in a whole number) the position of the first digit from the right of the decimal point.
- the measured amount of a substance necessary to cause a certain effect; a clinical quantity used when a substance cannot be readily isolated in pure form and its activity determined directly.
- the amount necessary to cause a specific effect upon a specific animal or upon animal tissues.
- an identity element.
- an element in a group, ring, etc., that possesses an inverse.
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Origin of unit
OTHER WORDS FROM unitin·ter·u·nit, adjectivemul·ti·u·nit, adjectivesub·u·nit, nounsu·per·u·nit, noun
Words nearby unit
Definition for unit (2 of 2)
Example sentences from the Web for unit
The unit is used to attack foreign networks, and either it or a sister organization was involved in the Sony hack.
“We were part of the unit protecting gas and oil depots outside of Kirkuk,” Rashid says.
Her unit first deployed in late June—“A very hot summer,” she remembers.
Keep the location work to second unit so I wouldn't have to be away from Alma?Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days|David Freeman|December 13, 2014|DAILY BEAST
At the same time, the Marines and spouses in the unit shared day-to-day information on a group Facebook page.War Is About More Than Heroes, Martyrs, and Patriots|Nathan Bradley Bethea|November 12, 2014|DAILY BEAST
In the morning we passed through a French unit at Omicourt and started our attack.Average Americans|Theodore Roosevelt
He held it a moment, thinking, and then looked up at his two unit mates.The Space Pioneers|Carey Rockwell
The dollar was made the unit of account and payment, and subdivisions were made in a decimal ratio.Albert Gallatin|John Austin Stevens
The muskrat skin was also used as the unit in the later days of the trade.The Character and Influence of the Indian Trade in Wisconsin|Frederick Jackson Turner
They expressed by the number one, or unit, the first cause, and they concluded to the unity of God from mathematical abstractions.Pagan Origin of Partialist Doctrines|John Claudius Pitrat
British Dictionary definitions for unit (1 of 2)
- (usually plural) the first position in a place-value counting system, representing a single-digit numberin the decimal system the number 27 has 7 units and 2 tens
- (modifier) having a value defined as one for the systemunit vector