lichen

🇬🇧 UK/'laikәn/🇺🇸 US
TOEFLC2

Definitions

n.

A slow-growing organism formed by a symbiotic association of algae and fungi, often appearing as crusty patches on rocks or trees

地衣;苔藓;(医)苔癣病

🧩 Root Breakdown

Loanword
lichenother
=lichen

Example Sentences

  • 1.

    Lichen grows slowly on rocks and tree bark in forests.

  • 2.

    Scientists study lichen to monitor air pollution levels.

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