restrainer

Mane (Îngilîzî)

1. Something that restrains.
2. A chemical compound (such as potassium bromide), added to a developer to prevent fogging.

Hevwate

controller

depressant

depressor

inhibiter

killer

limiter

debooster

katastaltic

limitator

suppresser

curber

one who restrains

sub-duer

inhibiting agent

boundary member

limit stop

limiting device

clipper

suppressing agent

Wekî (IPA) tê bilêvkirin

/ɹɪˈstreɪnɚ/

Etîmolojî (Îngilîzî)

From restrain + -er.