Definition of occlude in English:

occlude

verb

formal, technical
  • 1[with object] Stop, close up, or obstruct (an opening, orifice, or passage)

    ‘thick makeup can occlude the pores’
    • ‘The prime focus in the treatment of an AMI in the 1980s and 1990s was on the re-establishment of flow in the acutely occluded coronary artery.’
    • ‘An ascending dissection occasionally can occlude the ostium of a coronary artery and lead to myocardial infarction.’
    • ‘Furthermore, this stent can be implanted without occluding the side bronchus.’
    • ‘The size of the catheter should be small enough so as not to occlude the artificial airway totally, thus avoiding excessive negative pressure.’
    • ‘In earlier models of the closed nAChR channel, pore-facing side chains of leucines of the Equatorial ring almost occlude the pore.’
    • ‘The important feature of this closed state model is that the side chains of leucines of the Equatorial ring do not occlude the pore completely.’
    • ‘Instead, the barrel pore is occluded by a large, globular amino-terminal domain, termed the plug.’
    • ‘Cystourethroscopy showed a large bladder tumor completely occluding the right ureteric orifice.’
    • ‘All this is jam-packed into your sinuses and other nasal structures, occluding your airway completely.’
    • ‘Tumors in the tracheobronchial tree often occlude major airways producing obstructive pneumonitis and hypoxia.’
    • ‘Devices for occluding the urethra include urethral plugs and, more recently, expandable urethral devices.’
    • ‘In their study, Morgan and coworkers occluded the contralateral nostril, and the patients therefore performed a ‘gasp’ rather than a sniff.’
    • ‘In ACS, the unstable plaque ruptures, thromboses, and occludes the artery, causing angina.’
    • ‘Fibroid embolisation - both uterine arteries are occluded using a transfemoral approach.’
    • ‘Margaret's left internal carotid artery was completely occluded at its origin.’
    • ‘After acquiring Doppler sounds at the palmar arch, the RNFA occludes the radial artery flow.’
    • ‘Then to add totally to all my problems, my thyroid has overgrown and was occluding my throat.’
    • ‘However, these side chains do not fully occlude the pore but rather appear to form a hydrophobic barrier to ion permeation.’
    • ‘In 1882, Karl Huber reported on 17 patients with cardiac infarcts, which he attributed to occluded coronary arteries.’
    • ‘The left middle cerebral artery was almost completely occluded by fungal emboli.’
    chunk, hunk, brick, slab, lump, piece
    View synonyms
    1. 1.1 Shut (something) in.
      ‘they were occluding the waterfront with a wall of buildings’
    2. 1.2 Cover (an eye) to prevent its use.
      ‘it is placed at eye level with one eye occluded’
      • ‘He uses the finding of Wiesel and Hubel, that kittens reared with one eye occluded do not have binocular cells in the visual cortex, to support the converse of Hebb's postulate.’
      • ‘They fixated the center of the display while they occluded one eye with the ipsilateral hand.’
  • 2[no object] (of a tooth) close on or come into contact with another tooth in the opposite jaw.

    • ‘The protocone and, if present, the hypocone of the upper molar occlude directly with this surface.’
    • ‘It consists of a pair of mandibular tooth plates that occludes with two pairs of plates above.’
    • ‘The clear implication is that, at least in Idiognathodus, the teeth occluded in a regular and precise way.’
    • ‘This matching of the cusps allowed the teeth to occlude, or meet, in a precision bite.’
    • ‘Because only one tooth row can occlude at a time in goats, the bite point acts as a fulcrum.’
    • ‘The peglike first upper molar does not occlude with any tooth of the lower jaw, so it serves no clear function.’
    • ‘It does occlude with this tooth in what appears to be a fully functional manner, and it retains the pattern of its cusps.’
    • ‘The anteriormost teeth are smaller than the more posterior ones, and the anterior upper teeth do not occlude with the anterior lower teeth.’
  • 3Chemistry
    (of a solid) absorb and retain (a gas or impurity)

Origin

Late 16th century: from Latin occludere shut up.

Pronunciation:

occlude

/əˈklo͞od/