acute arch definition, acute arch meaning | English dictionary

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acute arch


      n      another name for       lancet arch  
English Collins Dictionary - English Definition & Thesaurus  
lancet arch  
      n   a narrow acutely pointed arch having two centres of equal radii,   (Sometimes shortened to)    lancet     (Also called)    acute arch, Gothic arch, pointed arch, ogive         

English Collins Dictionary - English Definition & Thesaurus  

1    penetrating in perception or insight  
2    sensitive to details; keen  
3    of extreme importance; crucial  
4    sharp or severe; intense  
acute pain, an acute drought     
5    having a sharp end or point  
6      (Maths)  
a    (of an angle) less than 90°  
b    (of a triangle) having all its interior angles less than 90°  
7      (of a disease)  
a    arising suddenly and manifesting intense severity  
b    of relatively short duration  
   Compare       chronic       2  
8      (Phonetics)  
a    (of a vowel or syllable in some languages with a pitch accent, such as ancient Greek) spoken or sung on a higher musical pitch relative to neighbouring syllables or vowels  
b    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.  
   Compare (for senses 8a, 8b)       grave   2       5       circumflex  
9    (of a hospital, hospital bed, or ward) intended to accommodate short-term patients  
10    an acute accent  
     (C14: from Latin acutus, past participle of acuere to sharpen, from acus needle)  
  acutely      adv  
  acuteness      n  

acute accent  
      n   the diacritical mark ('), used in the writing system of some languages to indicate that the vowel over which it is placed has a special quality (as in French été) or that it receives the strongest stress in the word (as in Spanish hablé)  
acute arch  
      n      another name for       lancet arch  
acute dose  
      n   a total dose of radiation received over such a short period that biological recovery is impossible  

English Collins Dictionary - English Definition & Thesaurus  



1    astute, canny, clever, discerning, discriminating, incisive, ingenious, insightful, intuitive, keen, observant, on the ball     (informal)   penetrating, perceptive, perspicacious, piercing, sensitive, sharp, smart, subtle  
2    critical, crucial, dangerous, decisive, essential, grave, important, serious, severe, sudden, urgent, vital  
3    cutting, distressing, excruciating, exquisite, fierce, harrowing, intense, overpowering, overwhelming, piercing, poignant, powerful, racking, severe, sharp, shooting, shrill, stabbing, sudden, violent  
4    cuspate, needle-shaped, peaked, pointed, sharp, sharpened  
1    dense, dim, dim-witted, dull, obtuse, slow, stupid, unintelligent  
4    blunt, blunted, dull, obtuse, unsharpened  

English Collins Dictionary - English synonyms & Thesaurus  

Collaborative Dictionary     English Definition
[arch.] near in space, time or relation, almost (followed by: upon)
"nigh upon" is even stronger in keeping with an antiquated, even biblical style. "The end of the world is nigh upon us"
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