| actor |
a person who acts a part in a play, a movie, or a radio or television program. |
| actress |
a woman or girl who plays a part in movies, television, plays, or radio. |
| ad |
"Ad" is a short word for "advertisement." An advertisement is something that tells people about things to buy or things that are happening. You often see advertisements on television. Sometimes you hear ads on the radio or see them online. Also, when you are outside, you sometimes see advertisements on signs. |
| advertising |
If someone does advertising, they create advertisements. An advertisement is a notice that tells people about things they can buy or things that are happening. You can see advertisements on TV or hear them on the radio. Sometimes you see them online. Advertising is also a business and a type of job. Some people do advertising for a living. They write advertisements or work to get them out to the public. |
| aerial |
a radio or television antenna. [1/3 definitions] |
| announcement |
An announcement is something that lets people know about something new. If you want people to know about an event at your school, you might make an announcement on the radio. Usually, an announcement is made to many people at the same time. [1/2 definitions] |
| announcer |
a person who presents programs or reads advertisements on radio or television. |
| antenna |
a metal device that sends or receives radio or television signals. [1/2 definitions] |
| audience |
the people reached by television, radio, newspapers, or magazines. [1/3 definitions] |
| beacon |
a signal of light or radio waves that guides or warns ships or aircraft. |
| broadcast |
to send over television or radio. [3/4 definitions] |
| bulletin |
A bulletin is a special announcement of something that has happened recently or is going to happen. It is usually something important. You might hear a bulletin on the radio or on TV. |
| campaign |
A campaign is an effort to get someone elected to a position such as president, governor, mayor, or senator. This type of campaign can be called a "political campaign." A campaign is also all the people who are involved in the effort to get someone elected. During a campaign, people put up signs, talk to people in neighborhoods, create ads for TV and radio, and do a lot of other things. The candidate takes part in the campaign also, mostly by talking to people, making speeches, and appearing on TV or in online videos. [1/3 definitions] |
| cell phone |
a telephone that operates using radio signals and therefore requires no wires. A cell phone can be taken with one anywhere but may not function if it is too far away from a radio transmitter to receive signals. |
| cellular phone |
a telephone that can be taken anywhere and does not use wires. A cellular phone uses radio signals that are sent out from many different points called "cells." A cellular phone gets its signals from whatever cell is closest to it at the moment. A cellular phone is often called a "cell phone." |
| channel |
a frequency band used by radio or television stations. [1/4 definitions] |
| commentator |
a person who comments on something. Commentators often appear on radio or television shows to give opinions or explanations of news and events. |
| commercial |
an advertisement on television or radio. [1/3 definitions] |
| communication |
(plural) means of sending messages, such as telephone, radio, and television. [1/3 definitions] |
| console2 |
a cabinet for a television set, CD player, or radio. |
| dial |
a disk or knob on a television or radio for tuning to different channels. [2/6 definitions] |