ex·​ten·​sion·​al | \ ik-ˈstench-nəl How to pronounce extensional (audio) , -ˈsten(t)-shə-nᵊl \

Definition of extensional

1 : of, relating to, or marked by extension specifically : denotative
2 : concerned with objective reality

Other Words from extensional

extensionality \ ik-​ˌsten(t)-​shə-​ˈna-​lə-​tē How to pronounce extensional (audio) \ noun
extensionally \ ik-​ˈstench-​nə-​lē How to pronounce extensional (audio) , -​ˈsten(t)-​shə-​nᵊl-​ē \ adverb

Examples of extensional in a Sentence

Recent Examples on the Web The team only found evidence of extensional features—both ancient and modern—which suggests that a short, violent birth could have given way to an early ocean. Jennifer Leman, Popular Mechanics, 23 June 2020 If Pluto had a rapid, violent formation, the heat from the colliding rocks from which Pluto coalesced would have faded relatively quickly, leading the icy shell to grow rapidly, generating extensional features early in Pluto's history. Charles Q. Choi, Scientific American, 23 June 2020 This freezing would pause as heat from radioactivity became a major factor, and resume as radioactive elements broke down, slowly creating extensional structures over time. Charles Q. Choi, Scientific American, 23 June 2020 The researchers used thermal model simulations and photographic evidence of extensional faults taken by NASA's New Horizons spacecraft, to come up with their findings. Fox News, 23 June 2020 In that scenario, the liquid ocean would slowly freeze over time, although not completely, and cause the extensional faults seen by New Horizons in Pluto's icy crust. Ashley Strickland, CNN, 22 June 2020 Continental rifting requires the existence of extensional forces great enough to break the lithosphere. Lucia Perez Diaz, CNN, 5 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'extensional.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of extensional

1647, in the meaning defined at sense 1

Learn More About extensional

Time Traveler for extensional

Time Traveler

The first known use of extensional was in 1647

See more words from the same year

Dictionary Entries Near extensional

extension agent



See More Nearby Entries 

Statistics for extensional

Cite this Entry

“Extensional.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extensional. Accessed 17 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!