腐ふ朽きゅう菌きんMeanings1nounwood-decay fungus; xylophagous fungusTechnical term in mycology and forestry for fungi that decompose wood.腐ふ朽きゅう菌きんは木もく材ざいのセルロースを分ぶん解かいする。Wood-decay fungi break down cellulose in wood.