Something that is perceived to be a root cause of all the world's evil.

(linguistics, phonetics) An articulation that involves the expansion of the pharyngeal cavity by moving the base of the tongue forward and often lowering the larynx during the pronunciation of a vowel.

Synonym of Texas root rot

(algebra) A theorem which states a constraint on rational solutions of a polynomial equation with integer coefficients.

(idiomatic) People and society at the local (most basic) level rather than at the national centre of political activity / The essential foundation or source of something

Alternative spelling of grassroots

(Cockney rhyming slang) Boots or other footwear

plural of aerial root

plural of square root

plural of cube root