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Pronunciation varies by accent · noun
(archaic) Wood coal or charcoal, distinguished from mineral coal; lignite..
This clay formation, entirely unconnected with that of the Mississippi, and the lower part of the Arkansa, is of a blueish-grey, abounding in pyrites and xylanthrax, and is the active seat of those pseudo-volcanoes and their remains existing in the upper part of the Missouri territory.
There are two beads of much interest: a small cylindrical one of chrysoprase, and a large one turned out of a piece of xylanthrax, similar to that met with at Bovy, Devonshire.
Use xylanthrax when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Xylanthrax means (archaic) Wood coal or charcoal, distinguished from mineral coal; lignite..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
This clay formation, entirely unconnected with that of the Mississippi, and the lower part of the Arkansa, is of a blueish-grey, abounding in pyrites and xylanthrax, and is the active seat of those pseudo-volcanoes and their remains existing in the upper part of the Missouri territory.
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