Meaning & use
lichen
Last updated
a slow-growing organism formed by a symbiotic partnership between fungi and algae or cyanobacteria, often found growing on rocks, trees, or bare ground.
See it in a sentence
Patches of gray-green lichen covered the old stone wall.
Lichen can survive in extreme environments where few other organisms can live.
A note on using this word
Pronounced 'LY-ken'; lichens are often used as indicators of air quality since they are sensitive to pollution.
Make it your own
Write a sentence using “lichen”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.