R

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.

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R ²

1. The symbol for gas constant.

2. The symbol for radical.

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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.

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r ²

abbr.

1. radius

2. or R Electricity resistance

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r

1. radius

2. ratio

3. right

4. Cricket run(s)

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R

1. Chem radical

2. Regina

3. Registered Trademark

4. Physics, electronics resistance

5. Rex

6. River

7. Chess rook

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r

Abbreviation of radius

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R

The symbol for resistance.

Thesaurus

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 air roentgen radioactivity 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 gas constant, universal gas constant 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 sphere radius diam, 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

R, r [ɑːʳ] n (letter) → R, r f;

R for Robert (US);

R for Roger → R de Ramón

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R abbr (= right) → dcha. (= river) → R. (= Réaumur (scale)) → R;

(US) (CINE) (= restricted) → sólo mayores;

(US) (POL) (= republican) (BRIT) (= Rex, Regina) → R

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R, r [ɑːʳ] n (= letter) → R, r m;

R for Robert (US);

R for Roger → R comme Raoul

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R abbr (= right) → dr (= river) → riv., fl (= Réaumur (scale)) → R;

(US) (Cine) (= restricted) → interdit aux moins de 17 ans;

(US) (Pol) = republican;

(Brit) → Rex, → Regina

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R¹, r [ɑːʳ] n (letter) → R nt, r nt;

R for Robert, R for Roger (US) → R wie Richard

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R² [ɑːʳ] abbr (= Réaumur (scale)) → R;

(US) (Cine) (= restricted) → Klassifikation für nicht jugendfreie Filme

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R, r [ɑːʳ] n (letter) → R, r f or m inv;

R for Robert (US);

R for Roger → R come Roma

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R abbr (= Réaumur (scale)) → R (= river) → F (= right) → D;

(US ) (CINE) (= restricted) → vietato ;

(US ) (POL) = republican;

(BRIT) (= Rex) (= Regina)