granulationn.
/ˌɡranjᵿˈleɪʃn/, U.S. /ˌɡrænjəˈleɪʃən/ 1. figurative.1886 Pall Mall Gaz. 2 Aug. 1/2 Italy and Germany have been redeemed from the granulation which for so many ages has made them mere ropes of sand.
a. gen. The action or process of forming into granules or grains; the process or condition of being so formed.
ΘΚΠ
the world > matter > constitution of matter > granular texture > [noun] > becoming or making granular
corning1562
granulation1617
kerning1669
granulatinga1793
1617 J. Woodall Surgions Mate Termes 344 Granulation proper to mettals, by infusion on fire,..is their comminution into granula, or very small drops like Grana Paradisi.
1670 W. Clarke Nat. Hist. Nitre 88 The Reason of the Granulation of this Powder [gunpowder].
1799 tr. Laboratory (ed. 6) I. ii. 78 Granulation is easily performed, by pouring, leisurely, the melted metal between the twigs of a new birch-broom..in a pan of water.
1822 T. Webster Imison's Elem. Sci. & Art (new ed.) II. 117 It is mixed with lead to assist its granulation in making small shot.
1839 A. Ure Dict. Arts 1142 The neutro~saline matter present in the spent lye is essential to the proper granulation and separation of the saponaceous compound.
1862 Year-bk. Med. 1861 (New Sydenham Soc.) 168 On the Granulation of Medicines.
b. concrete. A granular formation.
ΘΚΠ
the world > matter > constitution of matter > granular texture > [noun] > a granular formation
granulation1760
1760 W. Mountaine in Philos. Trans. 1759 (Royal Soc.) 51 288 On the projections of the wainscot, I found several granulations, and longer pieces of the wire.
1875 H. C. Wood Treat. Therapeutics (1879) 184 In frogs poisoned with prussic acid a rounded form of the corpuscles was commonly exhibited, and sometimes granulations were present.
1879 tr. A. de Quatrefages de Bréau Human Species 72 The anthers scarcely ever enclose veritable pollen, but merely irregular granulations.
2. figurative.1895 J. J. Raven Hist. Suffolk 57 Then set in slowly and irregularly a kind of granulation, if we may use a comparison from the healing of a wound.
a. Pathology. The formation of grain-like prominences on sores when healing; the development of granules in diseased structures.
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1786–7 J. Hunter Lect. Princ. Surg. xii, in Wks. (1835) I. 368 But on all internal canals suppuration does not necessarily lead to granulation.
1813 J. Thomson Lect. Inflammation 215 That which Mr. Hunter calls union by granulation would, in the language of Galen, have been union by the third intention.
1844 W. B. Carpenter Animal Physiol. viii. 302 But if inflammation be permitted to arise, the repair takes place by a process termed granulation.
1886 New Sydenham Soc. Lexicon (at cited word) Healing by granulation.
b. concrete in plural. The grain-like bodies so formed.
ΘΚΠ
the world > health and disease > ill health > injury > [noun] > wound > proud flesh or granulation
proud flesha1400
proud flesh1578
fungus1661
hypersarcosis1706
granulation1739
luxuriancy1748
hypersarcoma1811
granuloma1879
supergranulation1882
1739 S. Sharp Treat. Operations Surg. Introd. 24 Tents in Wounds, by resisting the growth of the little Granulations of the Flesh, in process of time harden them.
1789 T. Whately in Med. Communications 2 387 I..felt a loose piece of bone lying in a bed of granulations within the cavity of the tibia.
1804 J. Abernethy Surg. Observ. 54 Granulations formed, and a cicatrix took place.
1807 S. Cooper First Lines Pract. Surg. I. i. xviii. 76 GRANULATIONS are formed by an exudation of the coagulating lymph from the vessels of the wounded or exposed surface.
1813 J. Thomson Lect. Inflammation 149 Granulations sometimes form on the surfaces of inflamed serous membranes.
1855 L. Holden Human Osteol. 12 Every surgeon must have witnessed how sensitive are granulations from bone.
1876 T. Bryant Pract. Surg. (ed. 2) I. i. 5 The grey granulations or tubercles are apparently derived from some pre-existing inflammation.
3. Botany and Zoology.
a. The formation of granular bodies on the surface of a plant, a crustacean, etc.
ΘΚΠ
the world > animals > animal body > general parts > covering or skin > [noun] > formation of granular bodies on surface
granulation1859
1859 R. F. Burton in Jrnl. Royal Geogr. Soc. 29 142 The folds and wrinkles which form by granulation upon the oblongs where the bark has been removed for its fibre.
1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 104 In the pointed warts there is often stratification and granulation.
b. concrete. The granular structure, or in plural the granules, so formed.
ΘΚΠ
the world > plants > appearance of plant > defined by texture > [noun] > powderiness granulation or powder
mealiness1609
meal1744
granulation1796
pulverescence1828
1796 W. Withering Arrangem. Brit. Plants (ed. 3) IV. 45 Branches generally incrusted with small granulations.
1843 Forbes in Hist. Berwickshire Naturalists' Club 2 No. ii. 79 Among the granulations numerous large stomata.
1852 J. D. Dana U.S. Exploring Exped.: Crustacea Pt. I 447 A smooth even surface, excepting a neat miliary granulation.
1872 H. A. Nicholson Man. Palæontol. 75 A short robust stem, which is marked with flutings and superficial granulations.
Compounds
General attributive, chiefly Pathology (see sense 2).
granulation-growth n.
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1899 J. Hutchinson Archives Surg. X. 157 Over these [pustules] the nail softened and a little granulation growth protruded.
granulation-mass n.
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1898 J. Hutchinson Archives Surg. IX. 347 Being attended by the production of a granulation-mass.
granulation-sarcoma n.
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1886 New Sydenham Soc. Lexicon Granulation sarcoma, the ordinary form of simple or round-celled Sarcoma.
granulation-tissue n.
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1873 T. H. Green Introd. Pathol. & Morbid Anat. (ed. 2) 270 The serous membrane becomes infiltrated with young cells, which form a granulation-tissue beneath the layer of proliferating endothelium.
granulation-tumour n.
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1888 P. H. Pye-Smith Fagge's Princ. & Pract. Med. (ed. 2) I. 114 Under the term ‘granulation-tumours’ he [Virchow] describes the various lesions which are produced by syphilis, leprosy and glanders.
Draft additions June 2012
Astronomy. A mottled appearance of the sun's photosphere, caused by convective cells of hot gases rising from deeper levels; the process by which such cells are formed.
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1865 Proc. Royal Soc. 14 48 The eye discerns both the ramifications of faculæ and the granulation of the interspaces.
1901 W. T. Lynn & D. P. Todd in D. P. Todd Stars & Telescopes vi. 60 In viewing the Sun with a telescope this granulation can be satisfactorily seen with a magnifying power of about 400 or 500.
1962 Astrophysical Lett. 135 494 The large cells..may be a giant system of convective cells..analogous to the ordinary granulation but originating in deeper layers.
2003 J. Scalzi Rough Guide to Universe iii. 34 This process, known as granulation, is dwarfed by supergranulation—huge convective cells into which one could tuck two or three Earths.
This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2022).
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