This is the 14110th most frequent Korean word.
메디컬
"메디컬" means "medical" in English.
In this sentence, '메디컬' is used as an adjective describing the type of book—medical (health-related).
나는 메디컬 책을 읽고 건강에 대해 공부했다.
I read a medical book and studied about health.
Here, '메디컬' characterizes the technologies being discussed as being related to medicine or health sciences.
그는 메디컬 기술을 발전시키기 위해 연구하고 있다.
He is researching to advance medical technologies.
In this usage, '메디컬' is modifying '분야', denoting the domain of medicine and health care.