> as lemmas
pyrargillite
pyrargillite n.
Brit. 
/pʌɪˈrɑːdʒᵻlʌɪt/
, /pʌɪˈrɑːdʒᵻlʌɪt/U.S. /paɪˈrɑrdʒəˌlaɪt/
[ < pyro- comb. form + ancient Greek ἄργιλλος argil n. + -ite suffix1, after German Pyrargillit (N. von Nordenskiöld 1833, Jahresber. über die Fortschritte der Physischen Wissensch. 7 174), so called on account of its clayey smell when heated] Mineralogy (now rare) an aluminosilicate mineral of uncertain composition containing ferrous iron, magnesium, and alkali metals, produced by alteration of cordierite./paɪˈrɑrdʒəˌlaɪt/ΚΠ
1834 Amer. Jrnl. Sci. 26 387 Pyrargillite.
1841 Penny Cycl. XIX. 153/1 Pyrargillite occurs in four-sided prisms, with bevelled edges and massive.
1922 E. S. Dana & W. A. Ford Textbk. Mineral. (ed. 3) 498 The mineral [sc. Iolite] in this altered condition has many names:..pyrargillite from Helsingfors; esmarkite and praseolite from near Brevik, Norway [etc.].
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as lemmas
- penchute
- penchée
- pencil
- pencil arm
- pencil beam
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- pencil blue
- pencil box
- pencil brush
- pencil case
- pencil cedar
- pencil compass
- pencil construction
- pencil crayon
- pencil diamond
- pencil drawing
- pencil fever
- pencil flash
- pencil flashlight
- pencil flower
- pencil in
- pencil lead
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- pencil mark
- pencil microphone