unit

any division of quantity accepted as a standard of measurement or exchange

• “the dollar is the United States unit of currency”
• “a unit of wheat is a bushel”
• “change per unit volume”

an individual or group or structure or other entity regarded as a structural or functional constituent of a whole

• “the reduced the number of units and installations”
• “the word is a basic linguistic unit”

an organization regarded as part of a larger social group

• “the coach said the offensive unit did a good job”
• “after the battle the soldier had trouble rejoining his unit”

a single undivided whole

• “an idea is not a unit that can be moved from one brain to another”

a single undivided natural thing occurring in the composition of something else

• “units of nucleic acids”

an assemblage of parts that is regarded as a single entity

• “how big is that part compared to the whole?”
• “the team is a unit”