Definition of unit
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: such as
a
:an amount of work used in education in calculating student credits
b
:an amount of a biologically active agent (such 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 units 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
