Definition

Describing a molecule that has two or more rings or cycles in its structure.

Example

Polycyclic compounds are often found in organic chemistry and can have unique properties.

Comparatives & Superlatives

Conversation

Did you know that some chemical compounds are polycyclic?

Really? What does that mean exactly?

It means they have two or more rings in their molecular structure.

That sounds interesting! I didn't realize there were so many types of molecules.

Synonyms & Antonyms

Root Explanation

Polycyclic → It is formed from "poly-" (from Greek "polus", meaning many) and "cyclic" (from Greek "kyklos", meaning circle or cycle). The word "polycyclic" refers to something that has many cycles or rings.

Memory Tip

Think of 'many' ('poly-') circles or cycles ('cyclic') to remember that 'polycyclic' means having multiple cycles.

Visually Confused Words