항생물질이 · 항생물질을
antibiotic substance, antibiotic
Example
최초의 항생물질은 푸른곰팡이에서 우연히 발견되었습니다.
The first antibiotic substance was discovered by chance in blue mold.
Word parts
항 against+생 life+물 thing+질 matter
Literally 'substance against life' — it fights living microbes.
Good to know
항생물질 is the substance itself; the medicine you take is usually called 항생제.
Related words