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rheostat

C2 noun

rheostat /ˈɹi.əˌstæt/ nghĩa là biến trở

Các nghĩa

  1. biến trở

    An electrical resistor with two terminals, the resistance of which can be varied continuously by moving a knob or slider to regulate the flow of an electric current.

  2. biến trở điều chỉnh độ sáng đèn

    Such a device used to regulate the brightness of an electric light; a dimmer.

  3. thiết bị tưởng tượng làm thay đổi một đặc tính nào đó

    A notional device which causes some quality to vary.

    figuratively

    The world had dimmed a little when she was gone, as if there were a rheostat on the sun and somebody had turned it down, just one notch.

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