focusing on words and literature

What is another word for r?

What's another word for r? | Here's a list of synonyms for r.

Definition 1: the length of a line segment between the center and circumference of a circle or sphere - [noun denoting attribute]

Definition 1: the 18th letter of the Roman alphabet - [noun denoting communication]

Definition 1: a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air - [noun denoting quantity]

Definition 1: (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole - [noun denoting quantity]