Meaning of UNIT in English

UNIT

I. ˈyü-nət noun

Etymology: back-formation from unity

Date: 1570

1.

a. : the first and least natural number : one

b. : a single quantity regarded as a whole in calculation

2. : a determinate quantity (as of length, time, heat, or value) adopted as a standard of measurement: as

a. : an amount of work used in education in calculating student credits

b. : an amount of a biologically active agent (as a drug or antigen) required to produce a specific result — compare international unit

3.

a. : a single thing, person, or group that is a constituent of a whole

b. : a part of a military establishment that has a prescribed organization (as of personnel and materiel)

c. : a piece or complex of apparatus serving to perform one particular function

d. : a part of a school course focusing on a central theme

e. : a local congregation of Jehovah's Witnesses

f. : a small molecule especially when combined in a larger molecule

repeating unit s of a polymer

g. : an area in a medical facility and especially a hospital that is specially staffed and equipped to provide a particular type of care

an intensive care unit

II. adjective

Date: 1839

: being, relating to, or measuring one unit

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.