elon·​ga·​tion | \ (ˌ)ē-ˌlȯŋ-ˈgā-shən How to pronounce elongation (audio) \

Definition of elongation

1 : the angular distance in the sky between a celestial body and another around which it revolves or between a celestial body and a particular point (such as the point where its path intersects the horizon) the elongation of Venus from the Sun
2a : the state of being elongated or lengthened also : the process of elongating
b : something that is elongated

Keep scrolling for more

Examples of elongation in a Sentence

the elongation of artificial fibers in the manufacturing process

Recent Examples on the Web

The delicate structure and extreme elongation of this fossilized vertebra strongly suggests its role not as a weapon, but as a warning. Jill Kiedaisch, Popular Mechanics, "Newly Discovered Dinos Had Badass Bone Mohawks," 7 Feb. 2019 Blanc has an elegant creepiness, almost ghostly in her elongation but always quietly in control. Nathan Mattise, Ars Technica, "Suspiria and Border offer two very different tales of otherworldly creatures," 26 Oct. 2018 Christy combed through the observatory's image archives to measure the angle where the elongation appeared. Nola Taylor Redd, Space.com, "Celebrating 40 Years of Pluto's Largest Moon, Charon," 14 July 2018 Signs of florets and peduncle elongation are already being seen and usually occur about 10 days before peak bloom is reached, according to local radio station 97.1 WASH-FM. Jenae Sitzes, Country Living, "Washington, DC's Cherry Blossom Trees are Blooming Weeks Earlier Than Usual," 27 Feb. 2017 Fillers aren’t as helpful for people with severe elongations or complete tears, though, and require touch-ups every six months to a year. Talia Abbas, SELF, "So, You Ripped a Hole in Your Earlobe—Here's How to Fix It," 1 May 2018 The 26-year-old’s condition is characterized by an elongation of a person’s fingers and toes. Marco Santana, OrlandoSentinel.com, "Nemours among Orlando hospitals turning to video games for help," 13 Apr. 2018 Park Service horticulturalists monitor a specific group of Yoshino cherry trees to track them through the six stages to peak bloom: green buds, florets visible, extension of florets, peduncle elongation, puffy white and peak bloom. Angela Fritz, Washington Post, "The cherry blossoms are speeding toward peak bloom, expected April 5-8," 3 Apr. 2018 One of the women smiled at me, managing both politeness and viciousness in a single elongation of the lips. Alexander Nazaryan, Newsweek, "The Kardashians Killed the Hamptons," 3 July 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'elongation.' 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 elongation

15th century, in the meaning defined at sense 1

Keep scrolling for more

Learn More about elongation

Dictionary Entries near elongation



elongate nut shell





Statistics for elongation

Look-up Popularity

Time Traveler for elongation

The first known use of elongation was in the 15th century

See more words from the same century

Keep scrolling for more

More Definitions for elongation


elon·​ga·​tion | \ (ˌ)ē-ˌlȯŋ-ˈgā-shən How to pronounce elongation (audio) \

Medical Definition of elongation

1 : the state of being elongated or lengthened also : the process of growing or increasing in length chain elongation in DNA synthesis the elongation of a muscle under tension
2 : something that is elongated

Keep scrolling for more

Comments on elongation

What made you want to look up elongation? Please tell us where you read or heard it (including the quote, if possible).


showing great care, attention, and effort

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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