Finesentence mobile logo
Sign in Login / Register

Extension: meaning, definitions and examples

📂
Add to dictionary

extension

 

[ɪkˈstɛnʃən ]

Definitions

Context #1 | Noun

file

An extension is a group of letters added at the end of a filename, denoting the file type or format. It is used to identify the characteristics of the file.

Synonyms

addition, appendage, suffix.

Which Synonym Should You Choose?

arrow down
Word Description / Examples
extension

Used when you want to indicate something that is added to make something bigger or longer, often in a physical or temporal sense.

  • We built an extension to our house to create more space; The deadline for the project was given a one-week extension
suffix

Used in the context of grammar, particularly when referring to an affix added to the end of a word to change its meaning or grammatical function.

  • The suffix '-ly' turns an adjective into an adverb; Adding the suffix '-ness' changes 'happy' into 'happiness'
addition

Used when referring to including or adding something extra to a group or collection, especially to improve or complete it.

  • We have a new addition to our team; The chef made a delicious addition to the menu
appendage

Used to describe something that is attached to a larger or more important body, often implying that it is smaller or less significant.

  • The insect's legs are appendages attached to its thorax; The small room felt like an unnecessary appendage to the house

Examples of usage

  • The extension of the document was .pdf
  • Please make sure to include the correct extension when saving the file.
Context #2 | Noun

time

An extension is a prolongation of a deadline or period of time. It allows additional time for completion or submission.

Synonyms

delay, postponement, prolongation.

Which Synonym Should You Choose?

arrow down
Word Description / Examples
extension

Typically used when referring to adding more time to a deadline or expanding the scope of something. Common in academic, professional, or project settings.

  • The professor granted an extension for the assignment submission.
  • They applied for an extension on their visa.
prolongation

Refers to the action of making something last longer than usual, often in a context where this might be undesirable or to specific technical matters.

  • The prolongation of the negotiation process frustrated everyone.
  • Prolongation of the treatment period may be necessary for complete recovery.
delay

Often used when something is slowed down or postponed unintentionally. Can have a negative connotation if it causes inconvenience.

  • The flight was delayed due to bad weather.
  • The project faced delays because of supply chain issues.
postponement

Best used when talking about officially deciding to delay an event or action to a later time. Often used in formal announcements.

  • The meeting's postponement was announced due to unforeseen circumstances.
  • They rescheduled the concert following its postponement.

Examples of usage

  • She requested an extension for the project deadline.
  • The teacher granted an extension for the assignment.
Context #3 | Noun

buildings

An extension is an additional part of a building that is added to enlarge or enhance the original structure. It can be used for extra space or functionality.

Synonyms

addition, annex, attachment.

Which Synonym Should You Choose?

arrow down
Word Description / Examples
extension

Used primarily for increasing length or duration of something, like a deadline, phone line, or building part.

  • They granted an extension for the project deadline
  • He added an extension to the house to create a larger living area
addition

Refers to adding something more to an existing thing, commonly used in mathematics or when referring to new components.

  • They made an addition to the team by hiring a new member
  • The library’s new wing is a remarkable addition to the building
annex

Used to describe a smaller building or section added to a main building, often with formal or historical connotations.

  • The company built an annex to accommodate more offices
  • The school constructed an annex for the science labs
attachment

Often used in the context of connecting one thing to another, like an email attachment or physical object being connected.

  • Please find the budget report in the email attachment
  • The vacuum cleaner comes with several attachments for different cleaning purposes

Examples of usage

  • They built an extension to their house for a new kitchen.
  • The company is planning an extension to their office building.

Interesting Facts

Etymology

  • The word comes from the Latin 'extendere,' where 'ex-' means 'out' and 'tendere' means 'to stretch.'
  • Initially used in English around the 15th century, it referred to physical stretching before adopting broader meanings.

Technology

  • In computer science, a browser extension is a small software program that adds specific features to improve user experience.
  • File type extensions, like '.docx' for Word documents, identify the format of files to enable the correct software to open them.

Education

  • Extension classes are educational options for students to learn additional subjects outside the regular curriculum.
  • Universities often offer extension programs for adult learners to gain new skills or further their education.

Real Estate

  • Extension in real estate often refers to building a new part of a house, adding space for more rooms or facilities.
  • Homeowners may apply for an extension to legally add to their property while complying with local regulations.

Mathematics

  • In geometry, an extension can refer to a stretching out of a line or a concept, like extending a number line.
  • In set theory, an extension involves adding elements to a set, increasing its size and potentially its properties.

Translations

Translations of the word "extension" in other languages:

🇵🇹 extensão

🇮🇳 विस्तार

🇩🇪 Erweiterung

🇮🇩 perpanjangan

🇺🇦 продовження

🇵🇱 rozszerzenie

🇯🇵 拡張 (かくちょう)

🇫🇷 extension

🇪🇸 extensión

🇹🇷 uzatma

🇰🇷 확장 (확장)

🇸🇦 تمديد

🇨🇿 rozšíření

🇸🇰 rozšírenie

🇨🇳 扩展 (kuòzhǎn)

🇸🇮 razširitev

🇮🇸 framlenging

🇰🇿 ұзарту

🇬🇪 გაგრძელება

🇦🇿 uzadılma

🇲🇽 extensión

Word Frequency Rank

This word ranks #1,680, placing it within important intermediate vocabulary. Learning it will significantly improve your ability to express yourself in English.