diachylon, -lum, diaculum
(daɪˈækɪlən, -ləm, daɪˈækjʊləm)
Forms: α. 4–6 diaquilon, 7– diachylon, 8– diachylum (9 diaclum); β. 4–9 diaculon, 6 dyaculome, 6– diaculum.
[a. med.L. diachylum, diaculon, and OF. diaculon (14th c.), diaquilon, dyachilon, diachilon (Paré, 16th c.), L. diachȳlōn (Celsius), repr. Gr. διὰ χῡλῶν (a medicament) composed of juices; cf. also Gr. διάχῡλος very juicy, succulent. The pronunciation with shortened penult comes through Fr. and med.L.]
Originally, the name of a kind of ointment composed of vegetable juices; now a common name for lead-plaster, emplastrum plumbi, an adhesive plaster made by boiling together litharge (lead oxide), olive oil, and water; prepared on sheets of linen as a sticking-plaster which adheres when heated.
| α 1313 in Wardr. Acc. Edw. II 20/15 Diaquilon 1 lb. 10d. c 1400 Lanfranc's Cirurg. 238 Diaquilon maad of litarge and oile and juys of mustard seed. 1541 R. Copland Guydon's Formul. S j b, Diaquilon of Rasis. 1660 Boyle New Exp. Phys. Mech. Proem 8 The Common Plaister call'd Diachylon. 1725 Bradley Fam. Dict. s.v. Plaister, Let the Grease be first well melted, add the Diachylum and Wax to it. 1786 Phil. Trans. LXXVI. 156 I took some diachylum which had been bought at Apothecaries Hall. 1797 Burke Regic. Peace iii. Wks. VIII. 272 Half a yard square of balmy diplomatick diachylon. 1836 Marryat Japhet i. 4 Did a bull gore a man, Mr. Cophagus appeared with his diachylon and lint. 1842 S. Lover Handy Andy iv, Your sympathy is better than diachylon to my wounds. |
| β 1322 in Wardr. Acc. Edw. II 23/20 Dyaculon 4d. per lb. 1530 Palsgr. 729 Splette this dyaculome upon a lynen clothe. 1541 R. Copland Guydon's Formul. Y ij b, Emplayster the place with diaculum. 1671 Shadwell Humourist i, To set up with Sixpenny-worth of Diaculum. 1821 Praed Gog Poems (1866) I. 92 Diaculum, my story says, Was not invented in those days. a 1839 Ibid. (1864) I. 35 The skin was rubbed from off her thumb, And she had no Diaculum. 1836 Gen. P. Thompson Exerc. (1842) IV. 92 Will..your druggists sell more rhubarb and diaculon? |
b. Comb., as
diachylum-plaster.
| 1599 A. M. tr. Gabelhouer's Bk. Physicke 249/2 Applye as then theron a Diaquilon playster. 1676 I. Coniers in Phil. Trans. XI. 718 The ends..I closed up with Diachylon Plaster. a 1692 Mountford Faustus i. ad fin., I..devour'd Three Yards of Diaculum Plaister instead of Pancake. 1794 Scott Let. to Miss C. Rutherford 5 Sept. in Lockhart, To hint the convenience of a roll of diaculum plaister. |