islet

/ˈaɪlət/ (bre, ipa) · /ˈaɪlət/ (ame, ipa) · /ˈī-lət/ (ame, mw)

islet — noun

  • isletsingular
  • isletsplural

1. a very small piece of land, smaller than a typical island, that is completely su

1.名詞B1
釋義

a very small piece of land, smaller than a typical island, that is completely surrounded by water, especially one found in a lake, river, or near the coast of a larger body of water.

例句

Hugo rowed his small boat out to the rocky islet where his grandfather kept a fishing hut.

rowed to [destination]: movement toward an islet

Wei and his sister walked across the wet sand at low tide to explore the tiny islet.

同義詞
  • island

    the general term for any land surrounded by water; 'island' is far more common and can describe land of any size

  • isle

    a literary or poetic term for island; often used in place names (e.g. the Isle of Wight)

  • cay

    a very small, low island formed on a coral reef, found in tropical regions

  • key

    a regional variant of 'cay', used in the Caribbean (e.g. the Florida Keys)

反義詞
  • mainland

    a large continuous landmass, the opposite of any island

  • continent

    a very large landmass; contrasts strongly with the tiny scale of an islet

文法句型

islet + prepositional phrase

常見錯誤

They bought a house on a small islet in the Caribbean.
They bought a house on a small island in the Caribbean.
💡'Islet' is unusual for inhabited land; English speakers use 'island' for all sizes unless describing a tiny, often uninhabited piece of land.

2. a cluster of cells inside the pancreas that produce hormones such as insulin and

2.名詞C1
釋義

a cluster of cells inside the pancreas that produce hormones such as insulin and glucagon, which regulate the level of sugar in the blood; also called an islet of Langerhans.

例句

Dr. Kim explained that the islets in the pancreas are like tiny factories producing insulin day and night.

metaphor: islets compared to factories producing insulin

During her check-up, Dr. Nakamura showed Mei the scan of her pancreas and explained that her immune cells were destroying the islets.

medical context: immune system attacking pancreatic islets in diabetes

同義詞
  • pancreatic islets

    the full medical term, used interchangeably with 'islets' in clinical contexts

  • islets of Langerhans

    the formal anatomical name, commonly used in textbooks and medical literature

文法句型

islet + of + proper noun (Langerhans)

the + (plural) islets

用法筆記

Frequently in the plural form 'islets' when referring to the pancreas as a whole. The phrase 'islets of Langerhans' is the standard medical name, named after the German pathologist Paul Langerhans who discovered them in 1869.

常見錯誤

Diabetes affects the islets in the stomach.
Diabetes affects the islets in the pancreas.
💡Islets are located in the pancreas, not the stomach.