Dictionary
English - Japanese

Extension

ˌɪkˈstɛn(t)ʃ(ə)n
Very common
~ 2100
~ 2100
The word frequency and importance index indicates how often a word appears in a given language. The smaller the number, the more frequently the word is used. The most frequently used words typically range from about 1 to 4000. This importance index helps you focus on the most useful words during your language learning process.

延長 (えんちょう), 拡張 (かくちょう), 内線電話 (ないせんでんわ), 延長線 (えんちょうせん), 延長保証 (えんちょうほしょう)

Extension meanings in Japanese

延長 (えんちょう)

Example:
The extension of the deadline was necessary.
締切の延長が必要でした。
We discussed the extension of the project.
プロジェクトの延長について話し合いました。
Usage: FormalContext: Used in professional or academic settings when referring to prolonging time limits or project durations.
Note: This term is commonly used in business and academic contexts.

拡張 (かくちょう)

Example:
The extension of the software features is impressive.
ソフトウェアの機能拡張は素晴らしいです。
We need an extension for the application.
アプリケーションの拡張が必要です。
Usage: FormalContext: Often used in technology and software development to refer to adding new features.
Note: This term can also refer to physical space expansions.

内線電話 (ないせんでんわ)

Example:
Please call me on my extension.
内線電話で私にかけてください。
What is your extension number?
あなたの内線番号は何ですか?
Usage: InformalContext: Used in office environments when referring to internal phone lines.
Note: This usage is specific to workplaces with telephone systems.

延長線 (えんちょうせん)

Example:
I need an extension cord for the lights.
ライト用の延長線が必要です。
Can you pass me the extension cable?
延長ケーブルを渡してくれますか?
Usage: InformalContext: Used in everyday situations involving electrical equipment.
Note: This refers to a physical cord used to extend the reach of electrical devices.

延長保証 (えんちょうほしょう)

Example:
I purchased an extension warranty for my laptop.
ノートパソコンの延長保証を購入しました。
The extension warranty covers repairs for an additional year.
延長保証は追加の1年間の修理をカバーします。
Usage: FormalContext: Commonly used in retail and consumer goods contexts.
Note: This refers to additional coverage beyond the standard warranty period.

Extension's synonyms

expansion

Expansion refers to the act of increasing in size or scope.
Example: The company announced an expansion of its services to new markets.
Note: While extension can refer to lengthening or prolonging something, expansion specifically implies growth or enlargement.

prolongation

Prolongation refers to the act of extending the duration or length of something.
Example: The meeting had a prolongation due to the intense discussions.
Note: Prolongation focuses more on extending the time or duration rather than the physical length or scope.

addition

Addition refers to something that is added or included to expand or enhance something existing.
Example: The new addition to the team brought fresh perspectives and ideas.
Note: While extension can be a general term for adding to something, addition specifically emphasizes the act of including something new.

Extension expressions, common phrases

Extension cord

A flexible insulated electrical cord used to extend the reach of a power source.
Example: I need to plug in my laptop, could you pass me the extension cord?
Note: An extension cord is specifically a type of cord that extends the reach of an electrical outlet.

File extension

The characters at the end of a filename that indicate the format or type of a file.
Example: Make sure you save the document with the .pdf file extension.
Note: A file extension is a suffix attached to a filename to denote the file type or format.

Extension ladder

A ladder that can be extended to reach higher levels or areas.
Example: To reach the higher shelves, I'll need to use the extension ladder.
Note: An extension ladder is a type of ladder that can be extended to reach higher places.

Hair extension

Hairpieces that are added to natural hair to increase its length or volume.
Example: She got hair extensions to add more volume to her hair.
Note: Hair extensions are artificial hair additions used to enhance the length or fullness of natural hair.

Extension of time

The act of prolonging or stretching out a specified period.
Example: The project deadline has been extended to allow for more time to complete it.
Note: Extending time refers to prolonging or stretching out a specific period, such as a deadline.

Extension everyday (slang) expressions

Extendo

Extendo is a slang term for something that extends, often used to refer to objects like a pole, stick, or tool that extends to reach something at a distance.
Example: Yo, pass me that extendo so I can reach the top shelf.
Note: Extendo is a more casual and colloquial way of referring to something that extends.

Extendy

Extendy is a playful slang term for something that can be extended or elongated, usually used in a light-hearted manner.
Example: I need to get me one of those extendy arms for my selfie game.
Note: Extendy adds a whimsical or humorous tone to the concept of extension.

Extender

An extender refers to a device that extends the range of a wireless network, allowing for better coverage in a larger area.
Example: Can you grab me the Wi-Fi extender so I can get better internet in my room?
Note: Extender specifically denotes a device that extends the reach or range of something, like a wireless signal.

Stretchy

Stretchy describes something that can be extended or stretched, often used to refer to clothing materials that have elasticity.
Example: These pants are super stretchy, perfect for yoga.
Note: Stretchy highlights the elastic or flexible nature of a material that allows for extension.

Long-arm

Long-arm is a slang term used to describe reaching for something at a distance, as if one had long arms to grab it.
Example: Give me a hand, I need to long-arm that toy down from the shelf.
Note: Long-arm humorously suggests the act of using an imaginary long arm to reach something far away.

Reacher

A reacher is a tool with a long handle and gripping claw at the end, used to grab objects that are out of reach without needing to bend over.
Example: Grandma uses a reacher to pick up things without bending down.
Note: Reacher emphasizes the function of grabbing or reaching something from a distance using a specialized tool.

Out-stretcher

An out-stretcher is a tool or device that extends outward to help reach objects that are usually out of arm's reach.
Example: The out-stretcher allows you to reach things under the bed without crawling.
Note: Out-stretcher implies reaching far out or extending beyond one's usual range to access something, particularly in cramped or hard-to-reach spaces.

Extension - Examples

The file extension is .docx.
I need to install a browser extension to block ads.
The extension cord is too short to reach the outlet.

Extension grammar

Extension - Noun (Noun) / Noun, singular or mass (Noun, singular or mass)
Lemma: extension
Conjugations
Noun, plural (Noun, plural): extensions, extension
Noun, singular or mass (Noun, singular or mass): extension
Syllables, Separation and Stress
extension Contains 3 syllables: ex • ten • sion
Phonetic transcription: ik-ˈsten(t)-shən
ex ten sion , ik ˈsten(t) shən (The red syllable is stressed)

Extension - Importance and usage frequency

The word frequency and importance index indicates how often a word appears in a given language. The smaller the number, the more frequently the word is used. The most frequently used words typically range from about 1 to 4000.
extension: ~ 2100 (Very common).
This importance index helps you focus on the most useful words during your language learning process.
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