rheostat

From rheo- +‎ -stat.

• (UK) IPA^(key): /ˈɹiːəstæt/

• Audio (Southern England):

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• Audio (General American):

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rheostat (plural rheostats)

1. An electrical resistor, with two terminals, whose resistance is continuously variable by moving a knob or slider.

• dimmer, dimmer switch (when applied to lights)

• rheostatic

• throates, hot tears, Asteroth, thorates