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energy

en·er·gy

energy

 
pronunciation:
e nr ji
features:
Word History, Word Explorer, Word Parts
part of speech: noun
inflections: energies
definition: the ability to have force or power or to do work. There are many kinds of energy such as physical, electrical, nuclear, or chemical.
His construction job requires that he have a lot of energy.The power plant operated on nuclear energy.
synonyms:
force, might, power
similar words:
strength
Word History
Energy is from energos, an ancient Greek word that means "active or working." The word "energy" was first used in the scientific sense of mechanical or electrical energy in the 1800s.
Word Explorer
conventionally associated with energy
person who studies energy
some descriptions of energy
some kinds of energy
some sources of energy
some things that produce energy
some things that require energy
some units for measuring energy
study of energy
Word Parts
The word energy contains the following part:
erg, ergo, urg Greek root that means work