デトリタスデトリタスMeanings1noundetritusBiological/ecological term for non-living particulate organic material, such as dead plant and animal matter, often in the context of decomposition or as a food source for detritivores.デトリタスは生せい態たい系けいにおいて重じゅう要ような栄えい養よう源げんです。