Langimage
English

alums

|a-lums|

B2

/əˈlʌmz/

(alum)

chemical compound; former student

Base FormPlural
alumalums
Etymology
Etymology Information

'alum' originates from Latin, specifically the word 'alumen', where 'alumen' meant 'bitter salt'.

Historical Evolution

'alumen' transformed into the Old French word 'alun', and eventually became the modern English word 'alum' through Middle English.

Meaning Changes

Initially, it meant 'bitter salt', but over time it evolved into its current meanings of 'a chemical compound' and 'a former student'.

Meanings by Part of Speech

Noun 1

plural form of 'alum', referring to graduates or former students of a school, college, or university.

The university invited all its alums to the annual reunion.

Synonyms

Noun 2

plural form of 'alum', referring to a type of chemical compound, typically used in water purification, leather tanning, and as a mordant in dyeing.

The factory uses alums in the water treatment process.

Synonyms

Last updated: 2025/07/06 11:51