noun (plural energies)[mass noun]
- 1The strength and vitality required for sustained physical or mental activity: changes in the levels of vitamins can affect energy and well-beingMore example sentences
vitality, vigour, life, liveliness, animation, vivacity, spirit, spiritedness, fire, passion, ardour, zeal, verve, enthusiasm, zest, vibrancy, spark, sparkle, effervescence, exuberance, buoyancy, perkiness, sprightliness; strength, stamina, forcefulness, power, might, potency, dynamism, drive, pushNorth American • informal feistiness
- The mental activity consumes energy and can, in the event of excess, lead to overstrain.
- The main modifiable factors affecting energy balance are dietary energy intake and energy expended through physical activity.
- When people are under stress, they don't have as much energy for physical or mental activity.
- 1.1 (energies) A person’s physical and mental powers: an alternative is to devote your energies to voluntary workMore example sentences
- There is a need to focus mental energies and prepare yourself to face competition.
- You are a physical person, but you know how to control and use of your physical energies.
- I was amazed at the creative energies expended in getting people to give and increase their pledges.
- 2Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines: nuclear energy
- 3 Physics The property of matter and radiation which is manifest as a capacity to perform work (such as causing motion or the interaction of molecules): a collision in which no energy is transferredMore example sentences
- Why is that electrons radiate electromagnetic energy when they are accelerated?
- If a particle moves faster than the speed of light, it must create a shockwave, and radiate energy.
- The protons are set in motion and, being charged, they again deposit energy through electrical interactions.
mid 16th century (denoting force or vigour of expression): from French énergie, or via late Latin from Greek energeia, from en- 'in, within' + ergon 'work'.