Definition of tuff in English:

tuff

noun tʌftəf

mass noun

A light, porous rock formed by consolidation of volcanic ash.
凝灰岩
Example sentencesExamples
- Among the 30 different types of stone recognized are varieties of diorite, granite, bedded tuff, sandstones, limestones, and tufa.
- Lenses incorporate varicoloured tuffaceous cherts intercalated with tuffaccous mudstone and tuff.
- The lower series consists of alternating basalt lava, tuff breccia, tufite, and siliceous rock, whereas the upper one is dominated by diabase.
- It also follows that there are differences in age between grains, which is consistent with the impression of resorption given by the grain morphology: possibly all grains predate the final tuff volcanism.
- Increasing proximity to a subduction zone during plate convergence is indicated by the appearance of felsic tuff.

Derivatives

tuffaceous

adjective tʌˈfeɪʃəsˌtəˈfeɪʃəs

Containing or of the nature of a light, porous rock formed by consolidation of volcanic ash.
凝灰岩
tuffaceous sandstone
Example sentencesExamples
- tuffaceous deposits
- In addition, there are tuffaceous (volcanic ash) layers at various horizons throughout the Green River Formation.
- Built of uniformly gray, granular volcanic tufa, or peperino, the courtyard was completed by 1579, as recorded in the building documents.
- Further up section the geology is dominated by a succession of unmetamorphosed but strongly fractured and veined blocky andesites, basalts and tuffaceous rocks.

Origin

Mid 16th century: via French from Italian tufo, from late Latin tofus, Latin tophus (see tophus).

Rhymes

bluff, buff, chough, chuff, cuff, duff, enough, fluff, gruff, guff, huff, luff, puff, rough, ruff, scruff, scuff, slough, snuff, stuff, Tough

Definition of tuff in US English:

tuff

nountəftəf

A light, porous rock formed by consolidation of volcanic ash.
凝灰岩
Example sentencesExamples
- Increasing proximity to a subduction zone during plate convergence is indicated by the appearance of felsic tuff.
- It also follows that there are differences in age between grains, which is consistent with the impression of resorption given by the grain morphology: possibly all grains predate the final tuff volcanism.
- The lower series consists of alternating basalt lava, tuff breccia, tufite, and siliceous rock, whereas the upper one is dominated by diabase.
- Among the 30 different types of stone recognized are varieties of diorite, granite, bedded tuff, sandstones, limestones, and tufa.
- Lenses incorporate varicoloured tuffaceous cherts intercalated with tuffaccous mudstone and tuff.

Origin

Mid 16th century: via French from Italian tufo, from late Latin tofus, Latin tophus (see tophus).

词汇	tuff
释义	Definition of tuff in English: tuff noun tʌftəf mass noun A light, porous rock formed by consolidation of volcanic ash. 凝灰岩 Example sentencesExamples Among the 30 different types of stone recognized are varieties of diorite, granite, bedded tuff, sandstones, limestones, and tufa. Lenses incorporate varicoloured tuffaceous cherts intercalated with tuffaccous mudstone and tuff. The lower series consists of alternating basalt lava, tuff breccia, tufite, and siliceous rock, whereas the upper one is dominated by diabase. It also follows that there are differences in age between grains, which is consistent with the impression of resorption given by the grain morphology: possibly all grains predate the final tuff volcanism. Increasing proximity to a subduction zone during plate convergence is indicated by the appearance of felsic tuff. Derivatives tuffaceous adjective tʌˈfeɪʃəsˌtəˈfeɪʃəs Containing or of the nature of a light, porous rock formed by consolidation of volcanic ash. 凝灰岩 tuffaceous sandstone Example sentencesExamples tuffaceous deposits In addition, there are tuffaceous (volcanic ash) layers at various horizons throughout the Green River Formation. Built of uniformly gray, granular volcanic tufa, or peperino, the courtyard was completed by 1579, as recorded in the building documents. Further up section the geology is dominated by a succession of unmetamorphosed but strongly fractured and veined blocky andesites, basalts and tuffaceous rocks. Origin Mid 16th century: via French from Italian tufo, from late Latin tofus, Latin tophus (see tophus). Rhymes bluff, buff, chough, chuff, cuff, duff, enough, fluff, gruff, guff, huff, luff, puff, rough, ruff, scruff, scuff, slough, snuff, stuff, Tough Definition of tuff in US English: tuff nountəftəf A light, porous rock formed by consolidation of volcanic ash. 凝灰岩 Example sentencesExamples Increasing proximity to a subduction zone during plate convergence is indicated by the appearance of felsic tuff. It also follows that there are differences in age between grains, which is consistent with the impression of resorption given by the grain morphology: possibly all grains predate the final tuff volcanism. The lower series consists of alternating basalt lava, tuff breccia, tufite, and siliceous rock, whereas the upper one is dominated by diabase. Among the 30 different types of stone recognized are varieties of diorite, granite, bedded tuff, sandstones, limestones, and tufa. Lenses incorporate varicoloured tuffaceous cherts intercalated with tuffaccous mudstone and tuff. Origin Mid 16th century: via French from Italian tufo, from late Latin tofus, Latin tophus (see tophus).
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