석유화학이 · 석유화학을
petrochemicals, petrochemical industry
Example
플라스틱은 대부분 석유화학 제품으로 만들어집니다.
Most plastic is made from petrochemical products.
Word parts
석 stone+유 oil+화 change+학 study
Literally 'stone-oil chemistry'; 석유 'petroleum' is literally 'rock oil.'
Good to know
Pronounced [서규화학] — the final ㄱ links to the next vowel.
Related words