English Reference

Word

alternating

Phoneticsal·ter·nat·ing

US/ˈɔɫtɝˌneɪtɪŋ/

UK/ˈɔːltənˌeɪtɪŋ/

Definitions

01happening in turns

B2

adj. happening one after the other in a regular pattern.

adj. occurring in a repeating sequence where two or more things follow each other in turns.

“The pattern on the floor was made of alternating red and white tiles.”

“The schedule consists of alternating shifts of day and night work to ensure the facility remains operational twenty-four hours a day.”

02electric current

C1 · Science

adj. describing an electric current that changes its direction many times every second.

adj. relating to an electric current that reverses its direction at regular intervals.

“Most wall outlets in homes provide alternating current rather than direct current.”

“The development of alternating current systems allowed for the efficient long-distance transmission of electricity across the national grid.”

Technical

Synonyms

AC

Antonyms

03mathematical series

C1 · Math

adj. describing a list of numbers where the signs change between plus and minus.

adj. denoting a series in which successive terms have opposite signs, typically switching between positive and negative.

“The teacher explained how to calculate the sum of an alternating series.”

“An alternating series converges if the absolute value of its terms decreases monotonically toward zero.”

Technical

Real-World Examples

“She says both caffeine and especially alcohol can have dehydrating effects, and recommends drinking alcohol in moderation during hot weather and alternating it with non-alcoholic drinks.”
BBC News · 12 Aug 2026
“Jorge Messi spent his final months ⁠alternating between a medical centre in Rosario and his home, accompanied by his wife, Celia, and his ⁠children Rodrigo, Matías and María Sol.”
The Guardian · 8 Aug 2026

Domain

Mathematics

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/alternating

English Reference