| R 1 (är) A trademark used for a movie rating indicating that admission will be granted only to persons of or over a certain age, usually 17, unless accompanied by a parent or guardian. |
| R 2 1. The symbol for gas constant. 2. The symbol for radical. |
| R 3 abbr. 1. range (surveying) 2. Réaumur (scale) 3. registered trademark 4. Republican 5. Ecclesiastical response 6. right 7. or r roentgen 8. rook (chess) 9. Baseball run |
| r 1 or R (är) n. pl. r's or R's also rs or Rs 1. The 18th letter of the modern English alphabet. 2. Any of the speech sounds represented by the letter r. 3. The 18th in a series. 4. Something shaped like the letter R. |
| r 2 abbr. 1. radius 2. or R Electricity resistance |
r, R [ɑː]
n pl r's, R's, Rs
1. (Linguistics) the 18th letter and 14th consonant of the modern English alphabet
2. (Linguistics / Phonetics & Phonology) a speech sound represented by this letter, in English usually an alveolar semivowel, as in red
3. (Social Science / Education) See three Rs
R
symbol for
1. (Chemistry) Chem radical
2. (Economics, Accounting & Finance / Currencies) Currency
a. rand
b. rupee
3. (Physics / General Physics) Réaumur temperature (scale)
4. (Physics / General Physics) Physics Electronics resistance
5. (Physics / General Physics) roentgen or röntgen
6. (Group Games / Chess & Draughts) Chess rook
7. Royal
8. (Chemistry) Chem gas constant
9. (Performing Arts) (in the US and Australia)
a. restricted exhibition (used to describe a category of film certified as unsuitable for viewing by anyone under the age of 18)
b. (as modifier) an R film
| r Abbreviation of radius |
| R The symbol for resistance. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  R - a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry airradioactivity unit - a measure of radioactivity |
| 2. | R - (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics" constant - a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant" | |
| 3. | r - the 18th letter of the Roman alphabet Latin alphabet, Roman alphabet - the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters" | |
| 4. |  r - the length of a line segment between the center and circumference of a circle or spherediam, diameter - the length of a straight line passing through the center of a circle and connecting two points on the circumference semidiameter - the apparent radius of a celestial body when viewed as a disc from the earth radius of curvature - the radius of the circle of curvature; the absolute value of the reciprocal of the curvature of a curve at a given point length - the linear extent in space from one end to the other; the longest dimension of something that is fixed in place; "the length of the table was 5 feet" |
Translations
R1 r1 [ɑːʳ] N (= letter) → R, r f
R for Robert → R de Ramón
the three Rs (= reading, writing and arithmetic) lectura, escritura y aritmética THREE RS
R2 r2
R for Robert → R de Ramón
the three Rs (= reading, writing and arithmetic) lectura, escritura y aritmética THREE RS
R2 r2
A. ABBR
1. (Brit) =Rex → R
2. (Brit) =Regina → R
3. (Geog) =river → R
4. =right → dcha, der, der
5. =Réaumur (scale)
6. (US) (Pol) =Republican
R r [ˈɑːr] n (= letter) → R, r m
R for Robert, R for Roger (US) → R comme Raoul
R [ˈɑːr] abbr
R for Robert, R for Roger (US) → R comme Raoul
R [ˈɑːr] abbr
(=right) → dr
(=river) → riv., fl
(=Réaumur (scale)) → R
(US) (CINEMA) (=restricted) interdit aux moins de 17 ans
(US) = republican
(British) (=Rex, Regina)
R, r
R
r abbr of right → r.
n → R nt, → r nt; three Rs (= reading, writing and arithmetic) → Lesen, Schreiben und Rechnen (die drei grundlegenden Fähigkeiten eines gebildeten Menschen)
R
abbr of river
(US Film) abbr of restricted → für Jugendliche nicht geeignet
r abbr of right → r.
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