noun
coagulation; clot; enthusiast; fanatic
Literally a hardened lump or clot; figuratively, a person who is extremely devoted to something, often used in compounds like 野球の凝固まり (baseball fanatic). The figurative sense is colloquial and slightly derogatory.
傷口に血の凝固まりができた。
A blood clot formed on the wound.
He's a fishing fanatic and is always at the river on weekends.