fibrillationn.
/ˌfɪbrᵻˈleɪʃn/, /ˌfʌɪbrᵻˈleɪʃn/, U.S. /ˌfɪbrəˈleɪʃən/, /ˌfaɪbrəˈleɪʃən/ 1.
a. The process of becoming fibrillated; the state or condition of being fibrillated; an arrangement into fibrils; also concrete a fibrillated mass.
ΘΚΠ
the world > matter > constitution of matter > other specific kinds of texture > [noun] > fibrous texture
fibrousness1727
fibre1823
fibrillation1839
1839–47 Todd's Cycl. Anat. & Physiol. III. 743/2 But in the ordinary fibrin of the blood, the fibrillation is less distinct.
1845 R. B. Todd & W. Bowman Physiol. Anat. I. 227 A nerve..presents itself as a pale cord with a longitudinal fibrillation.
1861 T. J. Graham Pract. Med. 22 The coagulation or fibrillation of the fibrine.
1875 H. Walton Pract. Treat. Dis. Eye (ed. 3) p. xxii From this fibrillation the posterior set of fibres pass.
b. A quivering movement in the fibrils of a muscle or nerve, esp. the muscles of the heart.
ΘΚΠ
the world > life > the body > structural parts > muscle > [noun] > muscular movement
porrection1649
abduction1657
cringing1728
antagonism1744
peristalsis1847
musculation1853
fibrillation1882
jerk1895
protraction1899
flexing1902
stretch reflex1916
fasciculation1938
sliding filament1957
the world > health and disease > ill health > a disease > diseases of tissue > disorders affecting muscles > [noun] > spasm or cramp > type of spasm > shaking or trembling
ague fit1528
ague1532
grooving1637
the tremblesa1803
shivering fit1816
trepidation1822
shake1838
trembling fit1856
fibrillation1882
intention tremor1887
rest tremor1890
shivering attack1899
flutter1910
1882 R. Quain Dict. Med. Fibrillation, muscular, a localised quivering or flickering of muscular fibres.
1906 Cushny & Edmunds in W. Bulloch Stud. Path. 95 (title) Paroxysmal irregularity of the heart and auricular fibrillation.
1930 Q. Jrnl. Med. 23 309 Certain obvious consequences of fibrillation of the auricle, such as the lowered efficiency of the ventricle.
1965 W. I. Gefter et al. Synopsis Cardiol. xv. 395 Ventricular fibrillation is usually a terminal event.
2. The process of splitting into fibrils or thin filaments; esp. in Paper-making, the beating of vegetable fibres so that they are (partially) separated into their component fibrils.
ΘΚΠ
society > occupation and work > industry > manufacturing processes > paper-making > [noun] > specific processes
calendering1513
pulping1640
watermarking1851
couching1875
knotting1875
friction-glazing1878
shake1885
soda process1885
cook1894
sulphate process1894
reeling1906
fibrillation1929
conditioning1954
1929 R. H. Clapperton & W. Henderson Mod. Paper-making vi. 76 In beating such stock as esparto and wood, very little fibrillation is necessary.
1952 L. G. Cottrall Introd. Stuff Prep. ix. 72 By means of wide blunt bars made of suitable material we can effect the fibrillation of the fibres with a minimum of cutting.
1969 Sci. Jrnl. Nov. 23/3 Fibrillation technique for making string from plastics films has recently become very popular.
This entry has not yet been fully updated (first published 1895; most recently modified version published online June 2022).
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n.1839