(mathematics) Abbreviation of relative to.

pejorative suffix, as in wastrel / diminutive suffix, as in cockerel

(grammar) Abbreviation of relative.

Initialism of Russo-European Laika.

plural of REL

Proportionally, in relation to some larger scale thing. / (sometimes proscribed) Somewhat.

plural of relative

Someone in the same family; someone connected by blood, marriage, or adoption.

Connected to or depending on something else; comparative. / (computing, of a URL, URI, path, or similar) Expressed in relation to another item, rather than in complete form.

(uncountable) The state of being relative to something else; the absence of universally applicable rules or standards; relativism; (countable) an instance of this.