Definition of islet in English:


Line breaks: islet
Pronunciation: /ˈʌɪlɪt


  • 1A small island.
    More example sentences
    • Two days later we are building a small driftwood fire on a tiny islet in the Barrier Islands a mile out into the open North Pacific.
    • From the air the tiny islets of Funafuti atoll appear as a broken pearl necklace scattered on the blue throat of the tropical sea.
    • Plans to build a house on an uninhabited islet off the south of Sanday were turned down by islands' councillors on Thursday morning.
  • 2 Anatomy A portion of tissue structurally distinct from surrounding tissues.
    More example sentences
    • The center brings together Emory University's transplantation programs in heart, lung, liver, kidney, pancreas and islet.
    • If you obtain this tissue at a very defined point in time, then you can see development into islets.
    • The tissue sections and the isolated islets of rats and monkeys were stained with haematoxylin.
  • 2.1 (islets) short for islets of Langerhans.
    More example sentences
    • Finally, in some transplanted patients, donor islets function well initially, but in time diabetes recurs.
    • Specific tests were used to identify rat and monkey islets after isolation.
    • It resides in masses of tissue in the pancreas called islets.


mid 16th century: from Old French, diminutive of isle (see isle).

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