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词汇 trass
释义

Definition of trass in English:

trass

(also tarras)
noun trastras
mass noun
  • A light-coloured variety of volcanic ash resembling pozzolana, used in making water-resistant cement.

    粗面凝灰岩,火山灰(用来制作防水水泥)

    Example sentencesExamples
    • Although usually of lead, in Deptford the cooler was made of tarras, a cement which, like lead, did not dissolve in the acidic solution.

Origin

Late 18th century: from Dutch tras, German Trass, based on Latin terra 'earth'.

Definition of trass in US English:

trass

nountras
  • A light-colored variety of volcanic ash resembling pozzolana, used in making water-resistant cement.

    粗面凝灰岩,火山灰(用来制作防水水泥)

    Example sentencesExamples
    • Although usually of lead, in Deptford the cooler was made of tarras, a cement which, like lead, did not dissolve in the acidic solution.

Origin

Late 18th century: from Dutch tras, German Trass, based on Latin terra ‘earth’.

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