What is the difference between quantity and unit?
quantity | unit |
A fundamental, generic term used when referring to the measurement (count, amount) of a scalar, vector, number of items or to some other way of denominating the value of a collection or group of items.
An indefinite amount of something.
A specific measured amount.
A considerable measure or amount.
(metrology) Property of a phenomenon, body, or substance, where the property has a magnitude that can be expressed as number and a reference.
(mathematics) Indicates that the entire preceding expression is henceforth considered a single object.
* 2006 , Jerome E. Kaufmann and Karen Schwitters, Elementary and Intermediate Algebra: A Combined Approach ,
* 2005 , R. Mark Sirkin, Statistics For The Social Sciences ,
* 1985 , Serge Lang, Math!: Encounters with High School Students ,
(sciences) A standard measure of a quantity.
The number one.
An organized group comprising people and/or equipment.
(military, informal) A member of a military organization.
(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 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.
(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.
For each unit.
(mathematics) Having a size or magnitude of one.
* 1990 , William W. S. Wei, Time Series Analysis , ISBN 0201159112, page 9:
*:: ,
In mathematics terms the difference between quantity and unit
is that quantity is indicates that the entire preceding expression is henceforth considered a single object while unit is having a size or magnitude of one.As nouns the difference between quantity and unit
is that quantity is a fundamental, generic term used when referring to the measurement (count, amount) of a scalar, vector, number of items or to some other way of denominating the value of a collection or group of items while unit is a standard measure of a quantity.As an adjective unit is
for each unit.quantity
English
(wikipedia quantity)Noun
(quantities)- You have to choose between quantity and quality.
- Some soap making oils are best as base oils, used in a larger quantity''' in the soap, while other oils are best added in a small '''quantity .
- Olive oil can be used practically in any quantity .
- This bag would normally costs $497.50 for a quantity of 250, at a price of $1.99 per piece.
- Generally it should not be used in a quantity larger than 15 percent.
- The Boeing P-26A was the first all-metal monoplane fighter produced in quantity for the U.S. Army Air Corps.
- x plus ''y'' quantity squared equals ''x'' squared plus ''2xy'' plus ''y'' squared .
p 89
- For problems 58-67, translate each word phrase into an algebraic expression.
- (...)
- 65. x plus 9, the quantity squared
p137
- The second, , read "summation of x, quantity squared," tells us to first add up all the xs to get and then square to get .
p54
- ANN. quantity cubed.
- SERGE LANG. That's right, .
Usage notes
* In mathematics, used to unambiguously orate mathematical equations; it is extremely rare in print, since there is no need for it there.Synonyms
* QtySee also
* measure * unitExternal links
* * *unit
English
(Unit)Noun
(en noun)- The centimetre is a unit of length.
- This pill provides 500 units of Vitamin E.
- He was a member of a special police unit .
- The fifth tank brigade moved in with 20 units .'' (''i.e., 20 tanks )
- We shipped nearly twice as many units this month as last month.
- (Camden)
Synonyms
* (identity element) identity element, unit elementAdjective
(-)- We have to keep our unit costs down if we want to make a profit.
- Consider the following time sequence
- where is a random variable with a zero mean and a unit variance and is a random variable with a uniform distribution on the interval independent of .