Definition

Referring to a part of a chemical structure that is located outside of a ring or cycle.

Example

The compound contains an exocyclic double bond that affects its reactivity.

Conversation

Did you learn about exocyclic structures in chemistry class today?

Yeah, we talked about how they differ from cyclic ones.

I find it interesting that an exocyclic double bond can change the properties of a compound.

Absolutely! It really shows how structure affects function.

Synonyms & Antonyms

Root Explanation

Exocyclic → It is formed from "exo-" (meaning outside) and "cyclic" (from Greek "kyklos", meaning circle). The word refers to something that is outside of a cycle or circular path.

Memory Tip

Think of something that is 'outside' ('exo-') a 'circle' ('cyclic') — that's why exocyclic means outside of a cycle.

Visually Confused Words