|
|
- pronunciation:
- e
n
 r
ji
- features:
- Word History, Word Explorer, Word Parts
| part of speech: |
noun |
| inflections: |
energies |
| definition 1: |
the power or ability to make something work or be active.
能量
Plants use the energy of the sun to grow.Swimming fast takes a lot of energy.植物用从太阳获得的能量生长。快速的游泳将消耗很多能量。- synonyms:
- force, might, power
- antonyms:
- inertia
- similar words:
- activity, strength
|
| definition 2: |
the amount of such power needed to do something.
精力
He has no energy to continue the job.他没有精力继续工作。- synonyms:
- force, go, steam, vigor
- similar words:
- drive, effort, stamina
|
| definition 3: |
eager interest; liveliness.
活力
He spoke with energy on the subject of building a new playground for the school.他有活力地讲为学校修建一个新游乐场的话题。- synonyms:
- pep, vigor, zip
- antonyms:
- fatigue
- similar words:
- action, activity, life, liveliness, spirit
|
| related words: |
ability, fire, initiative, might, pain, zeal |
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.
  |
conventionally associated with energy |
| |
conservation, effort, exhaustion, force, health, heart, might, pep, power, strength, vigor, youth, zip |
|
person who studies energy |
| |
physicist |
|
some descriptions of energy |
| |
atomic, chemical, electrical, hydroelectric, mechanical, nuclear, solar |
|
some kinds of energy |
| |
atomic energy, electricity, nuclear energy, solar |
|
some sources of energy |
| |
carbohydrate, chemical, coal, fire, food, fuel, gas, gasoline, light, natural gas, oil, plutonium, sun, uranium, water, wind |
|
some things that produce energy |
| |
battery, engine, generator, windmill |
|
some things that require energy |
| |
activity, concentration, electricity, labor, life, metabolism, play, work |
|
some units for measuring energy |
| |
calorie, horsepower, kilowatt, watt |
|
study of energy |
| |
physics |
The word energy
contains the following parts:
en-2, em-2
Greek
prefix
that means in, into, inside
  Example words:
- synonyms:
- in-1, intro-
erg, ergo, urg
Greek
root
that means work
Example words:
-y2
Latin and Greek
noun-forming suffix
that means state, quality, act, or practice of
Example words:
|