Definition of fusain in English:

fusain

noun ˈfjuːzeɪnˈfjuzeɪn

mass nounGeology

A lustreless, crumbly, porous type of coal resembling wood charcoal.
〔地质〕丝炭，乌煤
Example sentencesExamples
- The conglomerate is overlain by a claystone-dominated fossiliferous interval, which contains spirorbid worm tubes, abundant conchostracans, plant debris, fusain, and a pygocephalomorph-bearing limestone.
- In nearly all cases, fusain had the largest ratio of C-C bonds.
- As an independent check on the overall oxygen trend, it is notable that fusain is found for the first time in the Late Devonian.
- Forest fire, a major disturbance agent in some modern forests, does not appear to be a major factor given the rarity of fusain in the Buchanan Lake Formation deposits.
- Minor amounts of fusain also occur in association with the fossils.

Origin

Late 19th century: from French, literally 'spindle tree', also 'fine charcoal' (made from the spindle tree).

Definition of fusain in US English:

fusain

nounˈfyo͞ozānˈfjuzeɪn

Geology

A crumbly, porous type of coal resembling wood charcoal, used in drawing.
〔地质〕丝炭，乌煤
Example sentencesExamples
- As an independent check on the overall oxygen trend, it is notable that fusain is found for the first time in the Late Devonian.
- Minor amounts of fusain also occur in association with the fossils.
- The conglomerate is overlain by a claystone-dominated fossiliferous interval, which contains spirorbid worm tubes, abundant conchostracans, plant debris, fusain, and a pygocephalomorph-bearing limestone.
- Forest fire, a major disturbance agent in some modern forests, does not appear to be a major factor given the rarity of fusain in the Buchanan Lake Formation deposits.
- In nearly all cases, fusain had the largest ratio of C-C bonds.

Origin

Late 19th century: from French, literally ‘spindle tree’, also ‘fine charcoal’ (made from the spindle tree).

词汇	fusain
释义	Definition of fusain in English: fusain noun ˈfjuːzeɪnˈfjuzeɪn mass nounGeology A lustreless, crumbly, porous type of coal resembling wood charcoal. 〔地质〕丝炭，乌煤 Example sentencesExamples The conglomerate is overlain by a claystone-dominated fossiliferous interval, which contains spirorbid worm tubes, abundant conchostracans, plant debris, fusain, and a pygocephalomorph-bearing limestone. In nearly all cases, fusain had the largest ratio of C-C bonds. As an independent check on the overall oxygen trend, it is notable that fusain is found for the first time in the Late Devonian. Forest fire, a major disturbance agent in some modern forests, does not appear to be a major factor given the rarity of fusain in the Buchanan Lake Formation deposits. Minor amounts of fusain also occur in association with the fossils. Origin Late 19th century: from French, literally 'spindle tree', also 'fine charcoal' (made from the spindle tree). Definition of fusain in US English: fusain nounˈfyo͞ozānˈfjuzeɪn Geology A crumbly, porous type of coal resembling wood charcoal, used in drawing. 〔地质〕丝炭，乌煤 Example sentencesExamples As an independent check on the overall oxygen trend, it is notable that fusain is found for the first time in the Late Devonian. Minor amounts of fusain also occur in association with the fossils. The conglomerate is overlain by a claystone-dominated fossiliferous interval, which contains spirorbid worm tubes, abundant conchostracans, plant debris, fusain, and a pygocephalomorph-bearing limestone. Forest fire, a major disturbance agent in some modern forests, does not appear to be a major factor given the rarity of fusain in the Buchanan Lake Formation deposits. In nearly all cases, fusain had the largest ratio of C-C bonds. Origin Late 19th century: from French, literally ‘spindle tree’, also ‘fine charcoal’ (made from the spindle tree).
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