R


Symbol.

the 18th in order or in a series, or, when I is omitted, the 17th.
(sometimes lowercase) the medieval Roman numeral for 80.Compare Roman numerals.
Biochemistry. arginine.
registered trademark: written as superscript ® following a name registered with the U.S. Patent and Trademark Office.

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


British Dictionary definitions for registered trademark

Registered Trademark

noun

r

R

/ (ɑː) /

noun plural r's, R's or Rs

the 18th letter and 14th consonant of the modern English alphabet
a speech sound represented by this letter, in English usually an alveolar semivowel, as in red

R

symbol 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

Word Origin and History for registered trademark

R

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for registered trademark

r

abbr.

racemic

R

abbr.

right
radical (usually an alkyl or aryl group)
respiration
respiratory exchange ratio
or r roentgen

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for registered trademark

r

Abbreviation of radius

R

The symbol for resistance.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with registered trademark

R

see three R's.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.