(mathematics) The single digit obtained from a number by repetitive digitaddition

The root of the briar (Erica arborea). / The wood of this root used to make tobacco pipes.

simple past tense and past participle of root about

present participle of root about

Alternative form of root cause

(neuroanatomy) A nerve root containing only sensory fibers.

(arithmetic) The process or result of computing the nth root of a real or complex number. / (dentistry) The process of extracting the root of a tooth from the gum.

The tuberous root of the taro.

plural of Root effect

The plant goldenseal (Hydrastis canadensis).