The Collaborative International Dictionary
bog \bog\ (b[o^]g), n. [Ir. & Gael. bog soft, tender, moist: cf. Ir. bogach bog, moor, marsh, Gael. bogan quagmire.]
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A quagmire filled with decayed moss and other vegetable matter; wet spongy ground where a heavy body is apt to sink; a marsh; a morass.
Appalled with thoughts of bog, or caverned pit, Of treacherous earth, subsiding where they tread.
--R. Jago. -
A little elevated spot or clump of earth, roots, and grass, in a marsh or swamp. [Local, U. S.] Bog bean. See Buck bean. Bog bumper (bump, to make a loud noise), Bog blitter, Bog bluiter, Bog jumper, the bittern. [Prov.] Bog butter, a hydrocarbon of butterlike consistence found in the peat bogs of Ireland. Bog earth (Min.), a soil composed for the most part of silex and partially decomposed vegetable fiber. --P. Cyc. Bog moss. (Bot.) Same as Sphagnum. Bog myrtle (Bot.), the sweet gale. Bog ore. (Min.)
An ore of iron found in boggy or swampy land; a variety of brown iron ore, or limonite.
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Bog manganese, the hydrated peroxide of manganese.
Bog rush (Bot.), any rush growing in bogs; saw grass.
Bog spavin. See under Spavin.
Wiktionary
n. (alternative form of bog iron ore English)
Usage examples of "bog ore".
A small placer mine some thirty miles away made a limited amount of bog ore available.
Yes, the professor explained, the fuel for the forge was wood charcoal, the temperature had gotten to around twelve hundred degrees Celsius, the process was direct reduction of bog ore, obtaining about one kilogram of iron for every five kilograms of slag.
All was as it was in other Norse forges--except that the limonites in the bog ore had now been precisely identified by spectroscopic analysis.
The Norse explorers, who had supposedly smelted the bog ore, could not have obtained it.
The Irish, who had been the first white men in the place, had called their settlement Corr Torpur-the Well of Cranes-and had dwelt thereabouts for at least a century, farming the rich riverside land, and cutting timber for many and varied uses, which included the burning of charcoal for use in the conversion of bog ore out of the swamps to iron.