a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture.
a similar organ developed from some other part of a plant, as one of those by which ivy clings to its support.
any underground part of a plant, as a rhizome.
something resembling or suggesting the root of a plant in position or function: roots of wires and cables.
the embedded or basal portion of a hair, tooth, nail, nerve, etc.
the fundamental or essential part: the root of a matter.
the source or origin of a thing: The love of money is the root of all evil.
a person or family as the source of offspring or descendants.
an offshoot or scion.
The number 2 is the square root of 4, the cube root of 8, and the fourth root of 16.
a quantity that, when multiplied by itself a certain number of times, produces a given quantity:The number 2 is the square root of 4, the cube root of 8, and the fourth root of 16.
rth root,the quantity raised to the power 1/r:The number 2 is the 13 root of 8.
a value of the argument of a function for which the function takes the value zero.
a morpheme that underlies an inflectional or derivational paradigm, as dance, the root in danced, dancer, or ten-, the root of Latin tendere “to stretch.”
such a form reconstructed for a parent language, as *sed-, the hypothetical proto-Indo-European root meaning “sit.”
He's lived in New York for twenty years, but his roots are in France.
a person's original or true home, environment, and culture:He's lived in New York for twenty years, but his roots are in France.
the personal relationships, affinity for a locale, habits, and the like, that make a country, region, city, or town one's true home:He lived in Tulsa for a few years, but never established any roots there.
personal identification with a culture, religion, etc., seen as promoting the development of the character or the stability of society as a whole.
the fundamental tone of a compound tone or of a series of harmonies.
the lowest tone of a chord when arranged as a series of thirds; the fundamental.
(in a screw or other threaded object) the narrow inner surface between threads. Cf.crest(def. 18),flank(def. 7).
(in a gear) the narrow inner surface between teeth.
an act of sexual intercourse.
the inner angle of an angle iron.
utterly; entirely: to destroy something root and branch.
The prejudices of parents usually take root in their children.
to send out roots; begin to grow.
to become fixed or established:The prejudices of parents usually take root in their children.
—v.i.
to become fixed or established.
—v.t.
to fix by or as if by roots: We were rooted to the spot by surprise.
to implant or establish deeply: Good manners were rooted in him like a second nature.
to pull, tear, or dig up by the roots (often fol. by up or out).
to extirpate; exterminate; remove completely (often fol. by up or out): to root out crime.