resistor

Definitions of resistor
  1. noun
    an electrical device that resists the flow of electrical current
    synonyms: resistance
    see moresee less
    types:
    show 5 types...
    hide 5 types...
    ballast, ballast resistor, barretter
    a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
    potential divider, voltage divider
    resistors connected in series across a voltage source; used to obtain a desired fraction of the voltage
    rheostat, variable resistor
    resistor for regulating current
    dimmer
    a rheostat that varies the current through an electric light in order to control the level of illumination
    pot, potentiometer
    a resistor with three terminals, the third being an adjustable center terminal; used to adjust voltages in radios and TV sets
    type of:
    electrical device
    a device that produces or is powered by electricity
Word Family
EDITOR’S CHOICE

Test prep from the experts

Boost your test score with programs developed by Vocabulary.com’s experts.

  • Proven methods: Learn faster, remember longer with our scientific approach.
  • Personalized plan: We customize your experience to maximize your learning.
  • Strategic studying: Focus on the words that are most crucial for success.

SAT/PSAT

$29.95
  • Number of words: 500+
  • Duration: 8 weeks or less
  • Time: 1 hour / week

TOEFL

$29.95
  • Number of words: 500+
  • Duration: 10 weeks or less
  • Time: 1 hour / week

ACT

$29.95
  • Number of words: 700+
  • Duration: 10 weeks
  • Time: 1 hour / week