brain atrophy definition, brain atrophy meaning | English dictionary

Collins

brain

  

      n  
1    the soft convoluted mass of nervous tissue within the skull of vertebrates that is the controlling and coordinating centre of the nervous system and the seat of thought, memory, and emotion. It includes the cerebrum, brainstem, and cerebellum,   (Technical name)    encephalon      Related adjs       cerebral       encephalic  
2    the main neural bundle or ganglion of certain invertebrates  
3    often pl  
Informal   intellectual ability  
he's got brains     
4    Informal   shrewdness or cunning  
5    Informal   an intellectual or intelligent person  
6    usually pl; functioning as sing  
Informal   a person who plans and organizes an undertaking or is in overall control of an organization, etc  
7    an electronic device, such as a computer, that performs apparently similar functions to the human brain  
8    on the brain   constantly in mind  
I had that song on the brain     
9    pick someone's brain   to obtain information or ideas from someone  
      vb   tr  
10    to smash the skull of  
11    Slang   to hit hard on the head  
     (Old English brægen; related to Old Frisian brein, Middle Low German bregen, Greek brekhmos forehead)  


brain coral  
      n   a stony coral of the genus Meandrina, in which the polyps lie in troughlike thecae resembling the convoluted surface of a human brain  
brain death  
      n   irreversible cessation of respiration due to irreparable brain damage, even though the heart may continue beating with the aid of a mechanical ventilator: widely considered as the criterion of death  
brain drain  
      n  
Informal   the emigration of scientists, technologists, academics, etc., for better pay, equipment, or conditions  
brain fever  
      n   inflammation of the brain or its covering membranes  
brain-fever bird  
      n   an Indian cuckoo, Cuculus varius, that utters a repetitive call  
brain-teaser   , brain-twister  
      n  
Informal   a difficult problem  
brain wave  
      n   any of the fluctuations of electrical potential in the brain as represented on an electroencephalogram. They vary in frequency from 1 to 30 hertz  
   See also       alpha rhythm       beta rhythm       delta rhythm  
softening of the brain  
      n   an abnormal softening of the tissues of the cerebrum characterized by various degrees of mental impairment  
split brain  
      n   a brain in which the tracts connecting the two halves of the cerebral cortex have been surgically split or are missing from birth  
yellow brain fungus  
      n      See       jelly fungus  
English Collins Dictionary - English Definition & Thesaurus  
Collaborative Dictionary     English Definition
id.
make a lot of efforts to understand something
n.
Total loss of reaction to the light of Pupillas , It means thar Brain is no more reactive. It means Cardiac Arrest, Cereabral Death or f the subject is conscient action of a Mydriatic Drug.

head

Reverso Community

  • Create your own vocabulary list
  • Contribute to the Collaborative Dictionary
  • Improve and share your linguistic knowledge
Advertising
"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"