황산알루미늄칼륨의 결정으로 지혈이나 염색에 쓰이는 물질.
A colorless astringent compound, specifically hydrated double sulfate of aluminum and potassium, used in medicine, dyeing, and tanning.
예문:
"The barber used an alum block to treat a minor nick after shaving."
"Alum is a common ingredient in some deodorants due to its antibacterial properties."
일가 금속과 삼가 금속의 복합 황산염을 통칭하거나 공업용 황산알루미늄을 의미함.
Any of various double sulfates of a monovalent metal and a trivalent metal, or specifically aluminum sulfate used in water treatment.
예문:
"The chemistry student grew large, purple crystals using chrome alum."
"Industrial alum is frequently employed in the paper manufacturing process to improve quality."
학교나 대학의 졸업생을 뜻하는 일상적인 줄임말.
An informal term for a former student or graduate of a particular school, college, or university.
예문:
"She is a Harvard alum who now runs a successful tech startup."
"The college invited several distinguished alums to speak at the commencement ceremony."