Engineers measured the alternating current flowing through the transformer to ensure the system was stable.

Many patients turn to alternative medicine when conventional treatments fail to relieve their symptoms.

When a transversal crosses two parallel lines, the alternate angles formed on opposite sides of the transversal are equal, so you can use them to prove triangles are congruent.

An alternating function on two variables changes sign when the variables are swapped, which has important consequences in determinant theory.

After college, Jenna embraced an alternative lifestyle, moving to a tiny cabin in the woods and growing her own food.

After the festival, she discovered a band that plays alternative country and spent the rest of the summer hunting down their records.

The professor assigned an essay on alternate history to make students explore how small changes could have drastically altered real-world events.

Many patients turn to alternative medicines when conventional treatments fail.

Research on alternative algebras has revealed unexpected connections with differential geometry.

Automakers are investing heavily in alternative fuels to meet stricter emissions standards.