Meaning & Definition of word "Energy"

Energy

/ˈɛn.ər.dʒi/

noun:

  • 1. The capacity to do work or to produce power.
    • Example: The sun provides a significant amount of energy to the Earth.
  • 2. Vitality or intensity of expression.
    • Example: She approached her work with great energy and enthusiasm.
  • 3. A source of usable power, such as electricity or gas.
    • Example: The company is investing in renewable energy resources.
  • 4. Physics: The quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
    • Example: Kinetic energy is the energy of motion.
  • 5. In physics, the sum of potential and kinetic energy in a system.
    • Example: The total energy of the roller coaster includes both its potential and kinetic energy.

Etymology

From Greek 'energeia' meaning 'activity, operation'.

Common Phrases and Expressions

renewable energy:

Energy from sources that are naturally replenished.

energy crisis:

A situation in which the demand for energy exceeds the supply.

energy level:

A quantifiable measure of the energy of an electronic state.

negative energy:

A term used to describe feelings or influences that are ominous or oppressive.

Related Words

kinetic energy:

Energy possessed by an object due to its motion.

potential energy:

Energy stored in an object due to its position or configuration.

thermal energy:

Energy that comes from the temperature of matter.

Slang Meanings of energy

Meaning: High energy or excitement.

Example Sentence: That concert was full of energy!

Meaning: Good vibes or positive feelings.

Example Sentence: I'm feeling such good energy today.