WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

	Enter your search terms Submit search form
	Web www.wordnet-online.com

Definitions from the Web

Periscope

Definition:

Periscope is a device consisting of a tube with mirrors or prisms inside that enables an observer to view objects that are out of sight or around obstacles.

Parts of Speech:

• Noun
• Verb

Senses:

Noun:

1. A device used for viewing objects that are out of sight or around obstacles.
2. A submarine optical instrument for seeing objects on the surface of the water.
3. A tube on a kettle, boiler, or steam engine used in examining the water level and condition.

Verb:

1. Observe or inspect using a periscope.
2. Look intently or peer out.

Usages:

Popular:

Periscope is commonly known as a device used on submarines to see objects on the water surface without exposing the vessel.

Sample Sentence:

During their mission, the submarine crew used the periscope to spot enemy ships.

Local:

In local communities, periscopes are often used in engineering and industrial applications for inspecting hard-to-reach areas.

Sample Sentence:

The maintenance crew utilized a periscope to examine the inner workings of the machinery.

Related Products:

Find potential periscopes or related products on Amazon.