a. [f. BOLE sb. + -AR1: cf. F. bolaire.] Consisting of, or of the nature of, bole.

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1676.  Phil. Trans., XI. 615. Some are marly … some bolar, some sandy, some talky, some limy.

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1791.  Hamilton, Berthollet’s Dyeing, I. Introd. 20. Some of the bolar earths were likewise employed [in washing].

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1852.  Th. Ross, trans. Humboldt’s Trav., II. xxiv. 502. The bolar and sigillated earths of Lemnos, which are clay mingled with oxide of iron.

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