noun
coprolite; fossilized dung
Scientific term for fossilized animal feces, used in paleontology and geology.
この糞化石は恐竜のものと考えられている。
This coprolite is thought to be from a dinosaur.
noun
guano; accumulated excrement
Refers to accumulated droppings of seabirds or bats, often used as fertilizer. Less common than the coprolite sense in Japanese.
海鳥の糞化石は肥料として利用されることがある。
Guano from seabirds is sometimes used as fertilizer.
糞 means 'feces' or 'droppings'; 糞化石 is the fossilized form.
Compound of 糞 (ふん, 'feces') and 化石 (かせき, 'fossil'). A straightforward technical coinage.