THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST
In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
Definition for Co (2 of 9)
Colorado (approved especially for use with zip code).
Definition for Co (3 of 9)
variant of com- before a vowel, h, and gn:coadjutor; cohabit; cognate. The prefix co- now productively forms new words from bases beginning with any sound (co-conspirator; co-manage; coseismic), sometimes with the derived sense “auxiliary, subsidiary” (coenzyme; copilot), and, in mathematics and astronomy, with the sense “complement” (codeclination).
Definition for Co (4 of 9)
Bookkeeping. carried over.
Definition for Co (5 of 9)
Definition for Co (6 of 9)
Definition for Co (7 of 9)
Bookkeeping. carried over.
Definition for Co (8 of 9)
certificate of origin.
Definition for Co (9 of 9)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for Co (1 of 7)
the internet domain name for
a commercial company (used with a country domain name)
British Dictionary definitions for Co (2 of 7)
the chemical symbol for
British Dictionary definitions for Co (3 of 7)
British Dictionary definitions for Co (4 of 7)
(esp in names of business organizations) Company
and co (kəʊ) informal and the rest of themHarold and co
British Dictionary definitions for Co (5 of 7)
Colombia (international car registration)
British Dictionary definitions for Co (6 of 7)
together; joint or jointly; mutual or mutuallycoproduction
indicating partnership or equalitycofounder; copilot
to the same or a similar degreecoextend
(in mathematics and astronomy) of the complement of an anglecosecant; codeclination
Word Origin for co-
from Latin, reduced form of com-
British Dictionary definitions for Co (7 of 7)
accounting carried over
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
Medical definitions for Co (1 of 3)
The symbol for the elementcobalt
Medical definitions for Co (2 of 3)
Medical definitions for Co (3 of 3)
Together; joint; jointly; mutually:coaptation.
Subordinate or auxiliary:coenzyme.
To the same extent or degree:codominant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for Co
The symbol for cobalt.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.