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.
Physics. universal gas constant.
registered trademark: written as superscript ® following a name registered with the U.S. Patent and Trademark Office.
noun (pl) r’s, R’s, 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
See three Rs
Réaumur temperature (scale)
(physics, electronics) resistance
roentgen or röntgen
(chem) gas constant
(in the US and Australia)
restricted exhibition (used to describe a category of film certified as unsuitable for viewing by anyone under the age of 18)
(as modifier): an R film
radical (usually an alkyl or aryl group)
respiratory exchange ratio
or r roentgen
Abbreviation of radius
The symbol for resistance.
restricted (children under 17 must be accompanied by a parent or guardian)
see: three R’s
[ri-jen-uh-rey-shuh n] /rɪˌdʒɛn əˈreɪ ʃən/ noun 1. act of regenerating; state of being regenerated. 2. Electronics. a feedback process in which energy from the output of an amplifier is fed back to the grid circuit to reinforce the input. 3. Biology. the restoration or new growth by an organism of organs, tissues, etc., that have […]
verb (used with object), regenerated, regenerating. 1. to effect a complete moral reform in. 2. to re-create, reconstitute, or make over, especially in a better form or condition. 3. to revive or produce anew; bring into existence again. 4. Biology. to renew or restore (a lost, removed, or injured part). 5. Physics. to restore (a […]
- Register office
noun 1. (Brit) a government office where civil marriages are performed and births, marriages, and deaths are recorded Often called registry office
noun 1. (in some states of the U.S.) the official charged with the probate of wills or with the keeping of the records of the probate court.