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  1. Oxford American Dictionary

    fluid

    • IPA[ˈflo͞oid]

    美式

    • n.
      a substance that has no fixed shape and yields easily to external pressure; a gas or (especially) a liquid
    • adj.
      (of a substance) able to flow easily；not settled or stable; likely or able to change

    • noun: fluid, plural noun: fluids

    • 釋義

    名詞

    • 1. a substance that has no fixed shape and yields easily to external pressure; a gas or (especially) a liquid we all need several glasses of fluid a day a cleaning fluid

    形容詞

    • 1. (of a substance) able to flow easily the paint is more fluid than tube watercolors a fluid medium
    • ▪ not settled or stable; likely or able to change our plans are still fluid the fluid political situation of the 1930s
    • ▪ smoothly elegant or graceful her movements were fluid and beautiful to watch
    • ▪ (of a clutch or coupling) using a liquid to transmit power.