alum

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Options already exist for fixing dyes without lead, including natural mordants derived from plants rich in tannins, such as oak bark, pomegranate peel and rosemary, as well as alum, which is considered environmentally safe.

From Science Daily • Apr. 2, 2026

When their bus breaks down on the way to a showcase, a troupe of ballerinas led by “Dance Moms” alum and one-time Sia protégée Maddie Ziegler becomes stranded in a remote hotel-bar-dungeon-arms factory outside Budapest.

From Salon • Mar. 29, 2026

"Cosmically speaking, this fast radio burst is just in our neighborhood," says Kiyoshi Masui, associate professor of physics and affiliate of MIT's Kavli Institute for Astrophysics and Space Research, and a U of T alum.

From Science Daily • Mar. 15, 2026

The resignation comes as students are pressuring the school to cut ties with Les Wexner, an alum and former board chair, over his association with convicted sex offender Jeffrey Epstein.

From The Wall Street Journal • Mar. 9, 2026

Johnnie Mae wiped the traces of alum from his face with a wet, cool cloth.

From "145th Street: Short Stories" by Walter Dean Myers