granitoidadj.n.
/ˈɡranɪtɔɪd/ A. adj.
Resembling granite; having the granular-crystalline structure of granite.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > plutonic > granite
granitic1794
granitical1796
granitose1811
granitiform1833
granitoid1839
granitiferous1852
granitous1866
1839 R. I. Murchison Silurian Syst. i. xxxi. 418 Small yellowish green veins ramifying through the granitoid and syenitic rocks.
1843 J. E. Portlock Rep. Geol. Londonderry 508 Granitoid mica schists.
1856 E. K. Kane Arctic Explor. II. App. ii. 308 Numerous granitoid islands.
1881 A. Geikie in Macmillan's Mag. 44 426 A huge erratic of the usual granitoid gneiss.
1885 H. O. Forbes Naturalist's Wanderings Eastern Archipel. 333 No rock of a sedimentary or granitoid character could I detect.
B. n.
A granitoid rock.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > granite > varieties of
moorstone1461
silver stone1758
granitell1794
granitoid1794
rapakivi1794
ophthalmite1811
protogine1823
pegmatite1824
potash-granite1845
beresite1849
granitite1875
greisen1878
trowlesworthite1884
microgranite1888
charnockite1893
alaskite1900
Dartmoor granite1904
plagiogranite1959
1794 R. Kirwan Elements Mineral. (ed. 2) I. 369 Still many aggregates are daily met, which cannot be arranged under any general denomination now in use. Hence I would propose to call them, if any of their constituent parts can be considered as a basis or cement, Porphyroids; if none can be considered as a basis, Granitoids.
1811 J. Pinkerton Petralogy I. 209 Such [rocks]..as perfectly resemble granite, but are of a very different modification, are here styled granitoids.
Derivatives
graniˈtoidal adj. = A.
ΚΠ
1846 T. J. Newbold in Jrnl. Royal Asiatic Soc. 8 153 Granitoidal gneiss.
This entry has not yet been fully updated (first published 1900; most recently modified version published online September 2018).
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adj.n.1794