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Longman Dictionary of Contemporary English
wisdom tooth
noun
EXAMPLES FROM CORPUS
▪ From the way Hanson set his elbows it looked as if it might be a wisdom tooth coming in.
The Collaborative International Dictionary
Wisdom tooth

Wisdom \Wis"dom\ (-d[u^]m), n. [AS. w[imac]sd[=o]m. See Wise, a., and -dom.]

  1. The quality of being wise; knowledge, and the capacity to make due use of it; knowledge of the best ends and the best means; discernment and judgment; discretion; sagacity; skill; dexterity.

    We speak also not in wise words of man's wisdom, but in the doctrine of the spirit.
    --Wyclif (1 Cor. ii. 13).

    Behold, the fear of the Lord, that is wisdom; and to depart from evil is understanding.
    --Job xxviii. 28.

    It is hoped that our rulers will act with dignity and wisdom that they will yield everything to reason, and refuse everything to force.
    --Ames.

    Common sense in an uncommon degree is what the world calls wisdom.
    --Coleridge.

  2. The results of wise judgments; scientific or practical truth; acquired knowledge; erudition. Moses was learned in all the wisdom of the Egyptians, and was mighty in words and in deeds. --Acts vii. 22. Syn: Prudence; knowledge. Usage: Wisdom, Prudence, Knowledge. Wisdom has been defined to be ``the use of the best means for attaining the best ends.'' ``We conceive,'' says Whewell, `` prudence as the virtue by which we select right means for given ends, while wisdom implies the selection of right ends as well as of right means.'' Hence, wisdom implies the union of high mental and moral excellence. Prudence (that is, providence, or forecast) is of a more negative character; it rather consists in avoiding danger than in taking decisive measures for the accomplishment of an object. Sir Robert Walpole was in many respects a prudent statesman, but he was far from being a wise one. Burke has said that prudence, when carried too far, degenerates into a ``reptile virtue,'' which is the more dangerous for its plausible appearance. Knowledge, a more comprehensive term, signifies the simple apprehension of facts or relations. ``In strictness of language,'' says Paley, `` there is a difference between knowledge and wisdom; wisdom always supposing action, and action directed by it.'' Knowledge and wisdom, far from being one, Have ofttimes no connection. Knowledge dwells In heads replete with thoughts of other men; Wisdom, in minds attentive to their own. Knowledge, a rude, unprofitable mass, The mere materials with which wisdom builds, Till smoothed, and squared, and fitted to its place, Does but encumber whom it seems to enrich. Knowledge is proud that he has learned so much; Wisdom is humble that he knows no more. --Cowper. Wisdom tooth, the last, or back, tooth of the full set on each half of each jaw in man; -- familiarly so called, because appearing comparatively late, after the person may be supposed to have arrived at the age of wisdom. See the Note under Tooth,

Wiktionary
wisdom tooth

n. (context dentistry English) One of the four (one upper and one lower on each side) rearmost molars in humans, which typically develop between ages 18-24.

WordNet
wisdom tooth

n. any of the last 4 teeth on each side of the upper and lower jaw; the last of the permanent teeth to erupt (between ages 16 and 21)

Wikipedia
Wisdom tooth

A wisdom tooth or third molar is one of the three molars per quadrant of the human dentition. It is the most posterior of the three. Wisdom teeth generally erupt between the ages of 17 and 25. Most adults have four wisdom teeth, one in each of the four quadrants, but it is possible to have fewer or more, in which case the extras are called supernumerary teeth. Wisdom teeth commonly affect other teeth as they develop, becoming impacted. They are often extracted when this occurs.

Usage examples of "wisdom tooth".

Fell out when I was sleepin', I guess, but I ain't hardly ever had any trouble with my teeth, at least not since that one wisdom tooth got impacted and damn near killed me.

His mate had an impacted wisdom tooth that had to be taken out today.

The whirling pinwheels of fire, they were due to poisons, toxins, from your infected wisdom tooth.

He was jolted out of one of these tangled reveries as they passed out of the forest and climbed up a brush-covered foothill at the base of one of the largest mountains he had ever seen, a gargantuan peak of rock whose form vaguely resembled a wisdom tooth.

He didn't know Eric's surname, but he did know he was due for a wisdom tooth removal.

Lower left, at the back, second forward from the wisdom tooth - there it was.

Nash didn't think it was overly snide to chuckle at the idea that an impacted wisdom tooth had led to orange blossoms.

He was suddenly suffering excruciating pain from an impacted wisdom tooth.