One who reforms, or who works for reform. / (historical, Christianity) One who was involved in the Reformation.

present participle of reform

reformation / (chemistry) A catalytic process, whereby short-chain molecules are combined to make larger ones; used in the petrochemical industry.

plural of reformer

(historical) The religious movement initiated in the 16th century against the Roman Catholic Church.

plural of reformation

Any of several movements that promote reform

That serves to reform or correct

(Christianity, historical) Alternative letter-case form of reformer (“one involved in the Reformation”) / (Canada, historical) A member of the Reform movement in 19th-century Canada.

(petrochemistry) The product of a hydrocarbon reforming process; an intermediate in the production of fuels such as gasoline.