Definition

Relating to a chemical compound that contains chlorine with a lower oxidation state than chloric compounds, particularly with an oxidation number of 3.

Example

The chemist studied the properties of chlorous acid in the laboratory.

Conversation

Have you ever heard of a chlorous compound?

No, I haven't! What does that even mean?

It's a type of chlorine compound with a lower oxidation number.

That sounds interesting! I need to look it up.

Synonyms & Antonyms

Root Explanation

Chlorous → It is formed from "chlor-" (from Greek "chloros", meaning green) and "-ous" (a suffix used in chemistry to denote a lower oxidation state). The word "chlorous" refers to a chemical compound containing chlorine in a lower oxidation state, often associated with a greenish color.

Memory Tip

Think of the Greek word for green ('chloros') to remember that 'chlorous' relates to compounds that are often green in color or have a lower oxidation state.

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