[ yoo-nit ]
/ ˈyu nɪt /


Origin of unit

1570; coined by John Dee as a translation of Greek mónas (previously rendered as unity); perhaps influenced by digit

Related forms

in·ter·u·nit, adjectivemul·ti·u·nit, adjectivesub·u·nit, nounsu·per·u·nit, noun

Definition for unit (2 of 2)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unit

British Dictionary definitions for unit (1 of 2)


/ (ˈjuːnɪt) /


Word Origin for unit

C16: back formation from unity, perhaps on the model of digit

British Dictionary definitions for unit (2 of 2)


abbreviation for

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for unit


[ yōōnĭt ]


An entity regarded as an elementary structural or functional constituent of a whole.
A precisely specified quantity in terms of which the magnitudes of other quantities of the same kind can be stated.
The quantity of a serum, drug, or other agent necessary to produce a specific effect.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.