picture tube

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Word: Picture Tube

Part of Speech: Noun

Definition: A picture tube is a device used in older televisions. It is a type of cathode-ray tube that takes the signals received from TV broadcasts and turns them into images that you can see on the screen. The inside of the tube uses a special technology to create light and color, which makes the pictures you watch.

Usage Instructions:

• The term "picture tube" is mostly used when talking about older televisions, as modern TVs use different technology (like LCD or LED).
• You might encounter this term when discussing the history of television or when comparing old and new types of TV.

Example:

• "When I was a child, we watched shows on a television with a picture tube that was very heavy and bulky."

Advanced Usage:

• In discussions about technology, you might refer to picture tubes when analyzing how television technology has evolved over the years.

Word Variants:

• Cathode-Ray Tube (CRT): This is a more technical term that refers to the same technology.
• Television Tube: Another term that can be used interchangeably with picture tube.

Different Meanings:

• In modern contexts, "picture tube" primarily refers to the technology in older TVs, while in casual conversation, it might be used less frequently as people have moved to digital screens.

Synonyms:

• Cathode-ray tube (CRT)
• Television tube

Idioms and Phrasal Verbs:

• There are no specific idioms or phrasal verbs directly related to "picture tube," but you might hear phrases like "turn on the TV" or "change the channel," which relate to the use of televisions in general.

Conclusion:

The term "picture tube" is important for understanding how television technology has changed over time.

Academic

Noun

1. a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen

Synonyms

• kinescope
• television tube