Search results
- DictionaryEn·er·gy/ˈenərjē/
noun
- 1. the strength and vitality required for sustained physical or mental activity: "changes in the levels of vitamins can affect energy and well-being"
- 2. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines: "nuclear energy"
People also ask
What does energies mean?
What is energy and how is it classified?
What is energy in physics?
What is energy & why is it important?
In physics, energy (from Ancient Greek ἐνέργεια (enérgeia) 'activity') is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light.
- Energy (Disambiguation)
Science and philosophy. Energy (Aristotle), "actuality" in...
- Chemical Energy
Chemical energy is the energy of chemical substances that is...
- Body
A bubble of exhaled gas in water. In common usage and...
- Outline of Energy
The following outline is provided as an overview of and...
- Sound Energy
In physics, sound energy is a form of energy that can be...
- Plasma Lamp
A plasma lamp. Plasma lamps are a type of electrodeless...
- Energy (Disambiguation)
Feb 27, 2024 · Energy is the capacity for doing work and can exist in various forms, such as potential, kinetic, thermal, electrical, chemical, or nuclear. Learn about the conservation of energy, the units of measurement, and the sources and conversions of energy from Britannica.
- The Editors of Encyclopaedia Britannica
Energy is a dynamic quality, a capacity of acting or being active, a fundamental entity of nature, or a usable power. Learn more about the synonyms, antonyms, etymology, history, and usage of energy with examples and phrases from the Merriam-Webster dictionary.
Nov 27, 2017 · Learn what energy is in science, how it is conserved and classified, and what are some common forms of energy. See examples of energy in everyday life and how it can be renewable or non-renewable.
Energy is the power and ability to be physically and mentally active, or the power from something such as electricity or oil that can do work, such as providing light and heat. See examples, pronunciation, translations and related words.
Learn the definition of energy in physics and how it is conserved and transferred in different forms. Watch a video and read the transcript, comments and questions about energy.
- 4 min
- Khan Academy
Energy is the capacity for vigorous activity, available power, or forcefulness of expression. It can also refer to a physical property of a system that diminishes when it does work on another system, or a source of usable power.