• Noun

    a toothed bar with which a pawl engages.
    (not in technical use) a pawl or the like used with a ratchet or ratchet wheel.
    a mechanism consisting of such a bar or wheel with the pawl.
    ratchet wheel.
    a steady progression up or down
    the upward ratchet of oil prices.

    Verb (used with object), verb (used without object)

    to move by degrees (often fol. by up or down )
    to ratchet prices up; Interest rates have been ratcheting downward.
    Lấy từ « http://tratu.soha.vn/dict/en_en/Ratchet »

    tác giả


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