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Synonyms

islet

American  
[ahy-lit] / ˈaɪ lɪt /

noun

  1. a very small island.


adjective

  1. Anatomy. situated in or pertaining to the islet of Langerhans.

    islet cells.

islet British  
/ ˈaɪlɪt /

noun

  1. a small island

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • isleted adjective

Etymology

Origin of islet

From the Middle French word islette, dating back to 1530–40. See isle, -et

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Along with another islet, Siri, "these islands have been fortified, turned into mini-fortresses with anti-ship missiles", Pierre Razoux from the France-based Mediterranean Foundation for Strategic Studies told AFP recently.

From Barron's • Mar. 27, 2026

They were recognized as foreign tissue and were also targeted by an immune system already primed to attack islet cells from any source.

From Science Daily • Nov. 26, 2025

Unlike the induced-diabetes model, where the main goal was to stop the recipient's immune system from rejecting donor islet cells, the new model involved transplanted islets that faced two problems at once.

From Science Daily • Nov. 26, 2025

It is also uncertain whether the number of islet cells typically recovered from a single donor would always be sufficient to reverse established Type 1 diabetes.

From Science Daily • Nov. 26, 2025

“I’m worried that the islet will submerge in the storm.”

From "The Boy Who Met a Whale" by Nizrana Farook