Definition

A chemical compound found in certain living organisms that emits light when it reacts with oxygen.

Example

Fireflies use luciferin to create their beautiful glow during the night.

Conversation

Did you know that fireflies produce light thanks to a substance called luciferin?

Really? I had no idea that’s what makes them glow at night.

Yeah, it’s fascinating how luciferin works with other chemicals to create that light.

Nature is incredible! I love learning about these kinds of things.

Synonyms & Antonyms

Root Explanation

Luciferin is formed from "lucifer" (from Latin *lucifer*, meaning light-bringer) and the suffix "-in" (used to denote substances). The word refers to a substance that produces light, as it is associated with bioluminescence in organisms.

Memory Tip

Think of 'light-bringer' ('lucifer') to remember that 'luciferin' is a substance that brings forth light.

Visually Confused Words