# Unit

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## unit

1. a mechanical part or integrated assembly of parts that performs a subsidiary function
2. a complete system, apparatus, or establishment that performs a specific function
3. the amount of a drug, vaccine, etc., needed to produce a particular effect
4. a standard measure used in calculating alcohol intake and its effect
5. Maths
a. the first position in a place-value counting system, representing a single-digit number
b. having a value defined as one for the system
6. Maths logic a set having a single member
7. NZ a self-propelled railcar
www.psigate.ac.uk/newsite/reference/units.html
www.ex.ac.uk/cimt/dictunit/dictunit.htm
www.unc.edu/~rowlett/units/index.html

## Unit

in technology, a consolidated unified (normalized) assembly of a machine or complex of machines that possesses complete interchangeability and independently accomplishes isolated functions. A unit is characterized by electric motors, reducers, pumps and so forth. Sometimes the term “unit” refers to a combination of two or more machines.

## Unit

In the theory of algebraic numbers and in the theory of algebraic functions, a divisor of unity is called a unit, that is, a is a unit if there exists an element b such that ab = 1.

## unit

[′yü·nət]
(engineering)
An assembly or device capable of independent operation, such as a radio receiver, cathode-ray oscilloscope, or computer subassembly that performs some inclusive operation or function.
(mathematics)
An element of a ring with identity that has both a left inverse and a right inverse.
(ordnance)
Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organization.
A standard of basic quantity into which an item of supply is divided, issued, or used.
(physics)
A quantity adopted as a standard of measurement.
References in periodicals archive ?
Pediatric intensive care units, induction rooms, and postanesthesia care units are changing policies to permit 24-hour visitation.
After extubation, the patient was transferred to the postanesthesia care unit (PACU).
Preparing for surgery: What to expect Review pathway on day of surgery * Check-in area and AM admit area * Preoperative area (family members go to waiting room) * Surgery (operating room) * Recovery room (postanesthesia care unit) * Inpatient hospital room (where family is reunited) Surgical equipment overview Overview of catheter care with catheter bag demonstration Preventable complications, pain management, hematuria, and constipation You can be discharged to home when the following are present: * Ability to safely walk by yourself * Ability to eat and drink * Pain managed through oral medication * Vital signs stable * Education complete Follow-up appointment information Questions and summary of information covered
Patient flow in the postanesthesia care unit: an observational study.
Chart reviews provided data on actual narcotic usage in the postanesthesia care unit and 24 hours after surgery.
The researchers found statistically significant differences in the amount of time patients in the two groups spent in postsurgical care: Those who received local anesthesia spent 4 minutes in the postanesthesia care unit, compared with 80 minutes for those treated under general anesthesia.
She recovered in the postanesthesia care unit and was discharged home later that day.
In the postanesthesia care unit (PACU), the patient was alert and oriented and reported a pain score of 0/10 on the visual analogue scale (VAS).

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