| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024a•cute /əˈkyut/USA pronunciation adj. - sharp or severe in effect;
intense: acute pain. - extremely great or serious;
critical: an acute shortage of oil. - (of disease) of sudden onset and severe(disting. from chronic ):acute bronchitis.
- very sharp in intellect, insight, or perception.
- extremely sensitive:acute hearing.
- Mathematics
- (of an angle) less than 90°.
- (of a triangle) containing only acute angles.
a•cute•ly, adv. a•cute•ness, n. [uncountable]See -acr-. WordReference Random House Unabridged Dictionary of American English © 2024a•cute (ə kyo̅o̅t′),USA pronunciation adj. - sharp or severe in effect;
intense:acute sorrow; an acute pain. - extremely great or serious;
crucial;
critical:an acute shortage of oil. - (of disease) brief and severe (opposed to chronic).
- sharp or penetrating in intellect, insight, or perception:an acute observer.
- extremely sensitive even to slight details or impressions:acute eyesight.
- sharp at the end;
ending in a point. - [Geom.]
- (of an angle) less than 90°. See diag. under angle.
- (of a triangle) containing only acute angles. See diag. under triangle.
- consisting of, indicated by, or bearing the mark ˊ, placed over vowel symbols in some languages to show that the vowels or the syllables they are in are pronounced in a certain way, as in French that the quality of an e so marked is close;
in Hungarian that the vowel is long;
in Spanish that the marked syllable bears the word accent;
in Ibo that it is pronounced with high tones;
or in classical Greek, where the mark originated, that the syllable bears the word accent and is pronounced, according to the ancient grammarians, with raised pitch (opposed to grave):the acute accent; an acute e.
n. - the acute accent.
- Latin acūtus sharpened, past participle of acuere (acū-, verb, verbal stem, akin to acus needle, ācer sharp + -tus past participle suffix)
- 1560–70
- 3.See corresponding entry in Unabridged sudden, distressing, violent.
- 4.See corresponding entry in Unabridged keen, astute, discerning, perceptive, intelligent, perspicacious; sharp-witted, clever, smart, bright, ingenious, brilliant; knowing, wise, sage, sagacious, sapient. Acute, penetrating, shrewd imply a keenness of understanding, perception, or insight. Acute suggests particularly a clearness of perception and a realization of related meanings:an acute intellect.Penetrating adds the idea of depth of perception and a realization of implications:a wise and penetrating judgment.Shrewd adds the idea of knowing how to apply practically (or to one's own advantage) what one perceives and understands:wary and shrewd.
- 5.See corresponding entry in Unabridged keen.
- 1, See corresponding entry in Unabridged 4.
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- 5.See corresponding entry in Unabridged dull.
Collins Concise English Dictionary © HarperCollins Publishers:: acute /əˈkjuːt/ adj - penetrating in perception or insight
- sensitive to details; keen
- of extreme importance; crucial
- sharp or severe; intense
- having a sharp end or point
- (of an angle) less than 90°
- (of a disease) arising suddenly and manifesting intense severity
- of relatively short duration
- of or relating to an accent (´) placed over vowels, denoting that the vowel is pronounced with higher musical pitch (as in ancient Greek), with a certain special quality (as in French), etc
- (of a hospital, hospital bed, or ward) intended to accommodate short-term patients with acute illnesses
n - an acute accent
Etymology: 14th Century: from Latin acūtus, past participle of acuere to sharpen, from acus needleaˈcutely adv aˈcuteness n |