obtusionn.
/əbˈtjuːʒn/, /ɒbˈtjuːʒn/, /əbˈtʃuːʒn/, /ɒbˈtʃuːʒn/, U.S. /əbˈt(j)uʒ(ə)n/, /ɑbˈt(j)uʒ(ə)n/ Chiefly Medicine. rare.
The action of blunting or dulling; the condition of being blunted or dulled; (now, Medicine) = obtundation n.
ΘΚΠ
the world > physical sensation > physical sensibility > physical insensibility > dullness of sense perception > [noun]
obtusion1605
tastelessnessa1631
obtusity1823
the world > physical sensation > physical sensibility > physical insensibility > dullness of sense perception > [noun] > dulling the senses
dulling1581
obtusion1605
1605 Z. Jones tr. P. le Loyer Treat. Specters vi. f. 56 The deception..of the sight, and the obtusion of the other senses.
1659 R. Lovell Παμβοτανολογια sig. *2v Frigidity or Coldness, doth coole, conjoyne, inspissate, and hinder digestion, by the obtusion of calidity.
1860 W. H. Walshe Dis. Lungs & Heart (ed. 3) 77 M. Woillez, correctly distinguishing this tonelessness, from ordinary so-called dulness, invents for it the title obtusion of sound—the phrase muffled tone will perhaps convey the idea.
1908 Jrnl. Philos., Psychol. & Sci. Methods 5 556 The principles of grouping the [homicide] cases according to motives (passions..; obtusion of the moral sense; the genetic sense and its deviations; accidental homicides, and homicides influenced by nervous and mental disorders).
1979 Neuroradiology 130 689/1 (caption) A 3-year-old girl with obtusion and unilateral flaccidity after an alleged fall.
1997 Amer. Family Physician (Nexis) Apr. 1773 The most frequent presentations include headache, fever, vomiting and, occasionally, obtusion, seizure, hemiparesis.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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n.1605