Monday, 29 April 2024, 5:18 AM
Site: edulabs.org academy
Course: Activity Examples (Activity Examples)
Glossary: English Words From Voice of America (Charles Kelly)
R
raceto run; to take part in a competition to decide who or what can move fastest; to take part in a campaign for political office; n. one of the major groups that humans can be divided into because of a common physical similarity, such as skin color |
radara device that uses radio signals to learn the position or speed of objects that may be too far away to be seen |
radiationwaves of energy from something that produces heat or light; energy from a nuclear substance, which can be dangerous |
radiothe system of sending and receiving signals or sounds through the air without wires |
raidto make a sudden attack; n. a sudden attack carried out as an act of war, or for the purpose of seizing or stealing something |
railroada road for trains; a company that operates such a road and its stations and equipment |
rainwater falling from the sky |
raiseto lift up; to move to a higher position; to cause to grow; to increase |
rarenot common; not usual; not often |
ratespeed; a measure of how quickly or how often something happens; the price of any thing or service that is bought or sold |