dynamo

Tireless, electrifying person

A dynamo is a machine that converts mechanical energy into electrical current—an early term for what's now usually called a generator.

Figuratively, a dynamo is a person with exceptional energy or drive: She's a dynamo—runs three businesses and still volunteers on weekends.

The figurative sense dominates contemporary usage.

generator

alternator

Mechanical-to-electrical energy converter

  • armatureRotating electromagnetic coil
  • commutatorRotating contact that reverses current
  • rotorSpinning mechanical assembly

stator · coil · winding · brushes · magneto · turbine · flywheel · shaft · crank · mechanism

energy

powerhouse

Source of great energy

force · live wire · ball of fire · spark plug · vitality · vigor · enthusiasm · drive · hustle · tireless

person

achiever

One who accomplishes goals

whiz · hotshot · superstar · phenom · wizard · maven · genius · prodigy · standout · performer

magnetic

field

Area of specialty

flux · magnetism · iron core · permanent magnet · electromagnetic · Faraday · magnetic field

Categories
Opposites
energy and activity level

dynamosluggard

Habitually inactive person

layabout · slacker · do-nothing · loafer · idler

electrical device function

dynamobattery

Portable electricity storage

load · motor · consumer · resistor · capacitor

Phrases
Family

dynamic, dynasty, dynamite, dynamics, aerodynamic, dynamos, dynamically, dynamical, hydrodynamic

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Concrete · Positive · Everyday, not technical · Rated G