A substance, device, or agent that removes toxic or harmful substances from something, making it less dangerous or more pure.
From detoxify + -er (agent noun suffix). Unlike -or, the -er suffix is the modern productive form for creating agent nouns in English.
Your liver is basically your body's main detoxifier—it's constantly filtering out poisons from everything you eat and drink, which is why damage to your liver is so serious.
Complete word intelligence in one call. Free tier — 50 lookups/day.