1. RL - Noun
2. RL - Proper noun
3. RL - Symbol
RL
(astronomy) Lunar radius or lunar radius: a unit of measurement, equal to the radius of the Moon.
Synonym: R☾
RL
Initialism of Republic of Lebanon.
Initialism of rugby league.
(Internet slang, uncountable) Initialism of real life.
(plural only) Initialism of royal letters.
(machine learning) Initialism of reinforcement learning.
Source: en.wiktionary.org