원자 번호 12번의 화학 원소로, 가볍고 은백색을 띠는 알칼리 토금속.
A silver-white, lightweight chemical element of the alkaline earth metal group, with atomic number 12, used in alloys and as a dietary mineral.
예문:
"Magnesium is widely used in the aerospace industry due to its high strength-to-weight ratio."
"Chlorophyll contains magnesium at its center, which is essential for photosynthesis in plants."
"The doctor recommended a magnesium supplement to help alleviate the patient's muscle cramps."