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Comprehensive
Dictionary Suite
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acuity sharpness or keenness, as of sense perception or understanding.
acumen superior insight; quickness and shrewdness of judgment, esp. in practical matters.
acuminate tapering to a sharp point, as a leaf or claw; pointed. [2 definitions]
acupressure a process or technique intended to relieve pain or cure disease by the application of pressure with the hands to specific parts of the body. [2 definitions]
acupuncture a traditional Chinese practice of pricking certain parts of the body with fine needles to relieve pain or cure disease. [2 definitions]
acupuncturist a person, esp. a physician, chiropractor, or healthcare professional, who practices acupuncture.
acute of great severity or intensity. [7 definitions]
acute accent a diacritical mark (´), placed over a vowel to indicate length or high pitch, or to indicate primary stress of a syllable. (Cf. grave accent.)
acute angle an angle of less than ninety degrees.
-acy characteristic, condition, position, or the like.
acyclovir an antiviral drug used in the treatment of herpes simplex viral infections, chickenpox, and shingles.
A.D. abbreviation of "anno Domini" (Latin); in the year of the Lord, or, since the birth of Jesus Christ (used in designating dates).
ad advertisement. [2 definitions]
ad- to; toward. [2 definitions]
ADA abbreviation of "American Dental Association." [2 definitions]
adage an old familiar saying that expresses folk wisdom; proverb.
adagio slowly (used as a musical direction). [4 definitions]
Adam according to the Old Testament, the name of the first man, created by God from dust, and the progenitor of the human race.
adamant unlikely to change in response to any request or argument; firmly decided or fixed; unyielding. [3 definitions]
adamantine made of, resembling, or having the hardness of adamant. [2 definitions]
Adam's apple the projection at the front of the human throat formed by the largest cartilage of the larynx, visible esp. in men.