noun🔗ShareLichenAny of many symbiotic organisms, being associations of algae and fungi, often found as white or yellow patches on old walls, etc."The old stone wall had many lichens growing on it, small white and yellow patches. "Le vieux mur en pierre était couvert de nombreux lichens, de petites taches blanches et jaunes.organismplantbiologyenvironmentnatureecologyChat with AIVocabulary GamePractice Reading
noun🔗ShareLichenSomething which gradually spreads across something else, causing damage."The dampness in the basement fostered a lichen that slowly spread across the walls, damaging the paint job. "L'humidité dans le sous-sol a favorisé un lichen qui s'est lentement propagé sur les murs, endommageant la peinture.environmentbiologyChat with AIVocabulary GamePractice Reading
