carbohydrate |
a compound made of carbon, hydrogen, and oxygen. It is formed mainly by plants, and it is used in the body to easily produce and store energy. Sugars and starches are carbohydrates. [2 definitions] |
charge |
to supply with power or energy. [2/12 definitions] |
charged |
carrying electrical energy. |
charging station |
a machine that supplies electrical energy to cars or other vehicles that use electricity to power them. |
coast |
to move without effort or energy. [1/4 definitions] |
concentration |
close attention; focused mental energy. [1/2 definitions] |
cruise |
When a car, ship, or airplane cruises, it travels at the same moderate speed for a fairly long period of time. It's going at a speed that is the most efficient for the vehicle and doesn't waste its energy. [1/4 definitions] |
demon |
a person who has a great amount of energy and enthusiasm. [1/2 definitions] |
devote |
If you devote your time or attention to something, you give that thing your time or attention. We usually devote things like time, attention, effort, or energy to things that are important to us. [1/3 definitions] |
digest |
When your body digests food, it makes it into much smaller substances that the body can use for things like making energy and building muscle. The stomach is one of the organs that the body uses to digest food. |
digestion |
the process by which the stomach and intestines change food into a form that the body can use as energy. |
digestive system |
the parts of the body that work together to break down food so that it can be used by the body as energy. The human digestive system includes the mouth, esophagus, stomach, and intestines. |
drain |
to cause to be used up. [1/9 definitions] |
dynamic |
full of energy and strength; lively; active. |
efficient |
When something is efficient, it works well and wastes very little energy or effort. |
effort |
the action of physical or mental energy. [1/2 definitions] |
electricity |
energy caused by the movement of electrons through matter. [1/3 definitions] |
electronics |
Electronics is a science that has to do with the flow of electrical energy and with devices that use this type of energy in complicated ways, such as computers. |
energetic |
full of energy; active. |
energy |
When something has energy, it has power to do work or be active. You need energy to walk, run, climb, or even to get out of bed in the morning. [3 definitions] |
engine |
a machine that uses energy from fuel or electricity to do work, such as to move. [1/2 definitions] |