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 more energetic workouts, there is a compact gym and a full rack of Pilates reformers. — Rachel Howard, Travel + Leisure, 26 Sep. 2026

For zero-emissions cruising, the vessel can get its juice from seven 75 kW solid-oxide fuel cells, or nine 250 kW PEM fuel cells paired with a methanol reformer. — Nicole Hoey, Robb Report, 25 Sep. 2026

This tied the court between reformers and their opponents, leaving Arévalo without a reliable majority. — Will Freeman, The Atlantic, 20 Sep. 2026

The backstory Troutbeck is one of those properties that is inseparably linked to the history of the town of Amenia, which has attracted historians, writers, and social reformers since the 1700s—many of whom actually stayed and worked in Troutbeck. — Condé Nast, Condé Nast Traveler, 17 Sep. 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