The maximum allowable total mass of a road vehicle or trailer when loaded.

Alternative spelling of rattlesnake

(obsolete, nautical, slang) to play dice.

(UK, informal) Quickly; rapidly; fast.

(marketing) The proportion of visitors to a website who take an action desired by the marketers, such as buying a product or subscribing to a newsletter.

Alternative spelling of eudysmic ratio

(chemistry, pharmacology, biology) A ratio expressing the difference in pharmacologic activity between the two enantiomers of a drug.

(idiomatic) To do something extremely quickly and perfunctorily.

(Crotalus atrox), a venomous pit viper species found in the United States and Mexico

plural of rational function