macledadj.
/ˈmak(ə)ld/, U.S. /ˈmækəld/ 1.
a. Crystallography. Of a crystal: twinned.
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the world > matter > chemistry > crystallography (general) > crystal (general) > crystal types > [adjective] > composite crystals > twin
macled1822
twinned1879
1822 P. Cleaveland Elem. Treat. Mineral. & Geol. (ed. 2) II. 793 Macled Crystal. A hemitrope crystal is sometimes thus called.
a1852 W. Macgillivray Nat. Hist. Dee Side (1855) 455 Garnet..In pentagonal dodecahedrons, single or macled.
1862 G. P. Scrope Volcanos (ed. 2) 33 (note) The crystals being..many of them mackled.
1878 Mineral. Mag. 2 98 Polydymite..occurs in macled octahedrons.
b. Mineralogy. Of a mineral: marked with dark spots or inclusions.
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the world > the earth > minerals > mineral structure or appearance > [adjective] > marking
strigateda1728
staurotypous1843
macled1865
trichitic1879
1865 H. Watts Dict. Chem. III. 740 Clay-slate..may be macled with iron pyrites.
1880 Webster's Amer. Dict. Eng. Lang. Suppl. Macled, marked like chiastolite.
2. figurative.
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1858 M. F. Maury Physical Geogr. Sea (new ed.) xiii. §761 Organisms as delicate as the macled frost.
3. Heraldry. = mascled adj. rare.Apparently only attested in dictionaries or glossaries.
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1897 in Webster's Internat. Dict. Eng. Lang. Macled.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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adj.1822