alum background

alum

/ˈæl.əm/ /əˈlʌm/

Illustration alum - Image 1

noun

명반

An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K2SO4·Al2(SO4)3·24H2O).

Examples :

"The potter used alum to help set the dye and make the colors brighter on the clay pots. "

도공은 찰흙 냄비의 색상을 더 밝게 하고 염료를 고정하기 위해 명반을 사용했다.

compound substance chemistry material medicine industry science

Illustration alum - Image 1

noun

명반

Any similar double sulphate in which either or both of the potassium and aluminium is wholly or partly replaced by other univalent or tervalent cations.

Examples :

"The chemistry student identified the unknown crystal as an alum, noting its composition included sulfate and a mix of aluminum and potassium ions, characteristic of this class of double salts. "

화학 학생은 미지의 결정을 명반으로 식별하고, 그 조성이 황산염과 알루미늄 및 칼륨 이온의 혼합물을 포함하며, 이는 이 종류의 이중 염의 특징임을 언급했다.

compound substance chemistry material science

Illustration alum - Image 1

verb

명반 용액에 담그다, 명반으로 처리하다

To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.

Examples :

"To strengthen the fabric, the seamstress alummed the delicate silk. "

천을 강화하기 위해, 재봉사는 섬세한 실크를 명반으로 처리했다.

chemistry substance material process

Illustration alum - Image 1

noun

졸업생, 동문

(shortening) A past attendee or graduate (of either gender) of a college, university or other educational institution.

Examples :

""My father is an alum of Harvard University, graduating in 1985." "

우리 아버지는 1985년에 졸업한 하버드 대학교 동문입니다.

person education group organization past achievement