|1.||[ noun ] 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"
|Related terms:||definite_quantity point measuring_block acceleration_unit angular_unit Karat pain_unit computer_memory_unit explosive_unit force_unit metric_unit monetary_unit area_unit bit electrostatic_unit pressure_unit electromagnetic_unit sound_unit telephone_unit temperature_unit weight_unit mass_unit unit_of_viscosity work_unit langley Brinell_number MFLOPS megabit MIPS volume_unit absorption_unit denier diopter miles_per_gallon teraflop printing_unit unitize|
|2.||[ noun ] 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"
|Related terms:||part unitize|
|3.||[ noun ] 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"
|Related terms:||organization family team member side crew military_unit outfit gang political_unit company instrumentality fifth_column working_group klavern task_force coronary_care_unit combination general_delivery icu troop den administrative_unit unitise|
|4.||[ noun ] an assemblage of parts that is regarded as a single entity|
"how big is that part compared to the whole?" "the repairman simply replaced the unit"
|Related terms:||object entity item sum hole artifact part section mix unitise|
|5.||[ noun ] a single undivided whole|
"an idea is not a unit that can be moved from one brain to another"
|Related terms:||whole one unify|
|6.||[ noun ] instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity|
"he bought a new stereo system" "the unit consists of a motor and a small computer"
|Related terms:||instrumentality network communication_system maze hookup audio_system ventilation production_line inertial_guidance_system lockage computer_system data_system etd control_system network selsyn solar_thermal_system scaffolding propulsion_system eds guidance_device resonator lubricating_system shipboard_system synchromesh sprinkler_system mechanical_system navigational_system electronic_network containment exhaust security_system drainage_system module infrastructure|
|7.||[ noun ] a single undivided natural entity occurring in the composition of something else|
"units of nucleic acids"
|Related terms:||entity thing group molecule chain unit_cell couple part unitize|