▪ I. clotting, vbl. n.
(ˈklɒtɪŋ)
a. The action of the vb. clot, in various senses.
| 1601 Holland Pliny xviii. xix. (R.), Land..which..needs the great harrowes and clotting. 1867 Smyth Sailor's Word-bk., Clotting, a West country method of catching eels with worsted thread. 1880 J. W. Legg Bile 90 The clotting of the blood in the vessels. 1881 Raymond Mining Gloss., Clotting, the sintering or semi-fusion of ores. |
b. Comb., as clotting-beetle, † clotting-mall (-maule, -mell), a clod-mall; clotting time = coagulation time.
| 1483 Cath. Angl. 68 A Clottyng malle, occatorium. 1620 Markham Farew. Husb. ii. xv. (1668) 68 What clots you cannot break with your Harrows..you shall break with your clotting-beetle. 1641 Best Farm. Bks. (1856) 138 Two or three men with clottinge melles to breake them small. 1834 Brit. Husb. I. 314 Any large lumps remaining..should be broken with mallets, or clotting-beetles. 1908 Trans. College Physicians Philadelphia XIII. 94 Currents of air affect the clotting time, which is accelerated by anything causing evaporation. 1964 W. G. Smith Allergy & Tissue Metabolism ii. 17 One characteristic feature of anaphylaxis in the dog is an increase in the clotting time. |
▸ clotting factor n. Physiol. any of a group of plasma proteins which are sequentially activated to form fibrin in the process of blood clotting; also called coagulation factor.
| 1916 Biochem. Jrnl. 10 335 Neither of the other *clotting-factors can be made to clot such fibrinogen solutions when added separately. 1977 Ann. Internal Med. 86 220/1 The anticoagulants, immunoglobulins directed against clotting factors, assume importance for invasive procedures. 1999J. D'Silva in G. Tansey & J. D'Silva Meat Business xiii. 144 Production in the plasma of proteins such as clotting factors or erythropoietin even at modest concentrations could be harmful to the animal. |
▪ II. ˈclotting, ppl. a.
[see -ing2.]
That clots.
| 1784 E. Jerningham Alisia in Evans O. Ball. II. xliii. 255 To view the raven..Drink up the clotting blood. |