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Question 1 of 10
sheathing
the act of a person who encloses something in or as if in a casing or covering
a school giving instruction in one or more of the fine or dramatic arts
a comic character, usually masked, dressed in multicolored, diamond-patterned tights, and carrying a wooden sword or magic wand
TAKE THE QUIZ TO FIND OUT Origin of rational
SYNONYMS FOR rational
synonym study for rational
6. See reasonable.
OTHER WORDS FROM rational
WORDS THAT MAY BE CONFUSED WITH rational
rational , reasonable (see synonym study at reasonable)Words nearby rational
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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British Dictionary definitions for rational
rational
/ (ˈræʃənəl) /
adjective
using reason or logic in thinking out a problem
in accordance with the principles of logic or reason; reasonable
of sound mind; sanethe patient seemed quite rational
endowed with the capacity to reason; capable of logical thoughtman is a rational being
maths expressible as a ratio of two integers or polynomialsa rational number; a rational function
noun
maths a rational number
Derived forms of rational
rationally, adverbrationalness, nounWord Origin for rational
C14: from Latin ratiōnālis, from ratiō reason
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 rational
rational
[ răsh′ə-nəl ]
adj.
Having or exercising the ability to reason.
Influenced by reasoning rather than by emotion.
Of sound mind; sane.
Based on scientific knowledge or theory rather than practical observation.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.









