reformer

noun

re·​form·​er ri-ˈfȯr-mər 

1

: one that works for or urges reform

2

Reformer : a leader of the Protestant Reformation

3

: an apparatus for cracking oils or gases to form specialized products

Examples of reformer in a Sentence

Recent Examples on the Web

For many Muslim reformers, Japan represented a non-Western model of modernity. — Mimi Hanaoka, The Conversation, 11 Aug. 2026

The adjoining gym is stylishly outfitted with beige Technogym equipment from the Sand Stone Collection, from treadmills to Pilates reformers. — Jennifer Kester, Forbes.com, 10 Aug. 2026

When Gianni Infantino was chosen to replace Sepp Blatter as president of FIFA, he was seen as a reformer, someone who would bring transparency and openness to soccer’s international governing body, which had long been mired in scandal and deceit. — Kevin Baxter, Los Angeles Times, 4 Aug. 2026

Two fuels, one engine At the heart of the demonstration is Amogy’s AMMDrive platform, which combines the company’s ammonia reformer with 2G Energy’s Agenitor 412 engine-generator. — Aamir Khollam, Interesting Engineering, 3 Aug. 2026

Word History

First Known Use

1526, in the meaning defined at sense 1

Phrases Containing reformer

• counter-reformer

Rhymes for reformer

• conformer
• informer
• performer
• transformer
• dormer
• former
• warmer

Kids Definition

reformer

noun

re·​form·​er ri-ˈfȯr-mər 

: one that works for reform