새로운 아이디어나 방법을 처음으로 도입하거나 사용하는.
Introducing or using new ideas or methods for the first time.
예문:
"The professor's pioneering study on linguistics changed how we understand language acquisition."
"They used pioneering techniques to restore the ancient mural without damaging the original paint."
"A pioneering female pilot, she broke several world records during the 1930s."