lichen

FREQ #46912 ★☆☆☆☆

n. 青苔, 地衣, 苔藓病 [医] 地衣, 苔癣

发音

UK /ˈlaɪ.kən/

词形变化

lichens 复数 lichens lichens 三单 lichening 现在分词 lichened 过去式 lichened 过去分词

释义与例句

n.
  1. 1.

    Any of many symbiotic organisms, being associations of algae and fungi, often found as white or yellow-to-blue–green patches on rocks, old walls, etc.

    地衣

    可数 不可数
  2. 2.

    Something which gradually spreads across something else, causing damage.

    可数 比喻 不可数
v.
  1. 1.

    To cover with lichen.

    及物

词汇关系

名词

上位词 1

fungus

下位词 10

ascolichen basidiolichen beard lichen beard moss crotal crottle Iceland moss lichen planus reindeer moss roccella

相关短语

lichen planus [医] 扁平苔癣 lichen sclerosus lichen moth map lichen beard lichen [网络] 松萝；长松萝 wolf lichen pin lichen Wilson's lichen [医] 威尔逊氏苔癣, 扁平苔癣 cup lichen blister lichen tube lichen string-of-sausage lichen goldspeck lichen placodioid lichen comma lichen

词源

Borrowed from Latin līchēn, from Ancient Greek λειχήν (leikhḗn), from λείχω (leíkhō, “to lick”). Originally used of liverwort; the modern sense first recorded 1715.

来源：wiktionary