noun🔗Share헬륨The second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602, a colorless, odorless and inert noble gas."The birthday balloons were filled with helium, which made them float to the ceiling. "생일 풍선은 헬륨으로 채워져 천장으로 떠올랐다.elementchemistrysubstancematerialphysicsscienceChat with AIVocabulary GamePractice Reading
noun🔗Share헬륨A form or sample of the element."The science experiment required a sample of helium. "과학 실험에는 헬륨 샘플이 필요했습니다.elementsubstancechemistryChat with AIVocabulary GamePractice Reading
