Definition

To combine with oxygen or to undergo a chemical reaction in which electrons are transferred, often resulting in a change in the substance's properties.

Example

Iron will oxidise if it is exposed to moisture and air for a long time.

Tense Forms

Conversation

Have you ever noticed how metal can oxidise over time?

Yeah, it's interesting how it changes color and texture.

I read that it happens because of exposure to air and moisture.

Exactly! It's a simple chemical reaction that can have big effects.

Synonyms & Antonyms

Root Explanation

Oxidise → It is formed from "oxys" (from Greek, meaning acid or sharp) and "-ide" (a suffix used in chemistry to denote a compound). The word refers to the process of a substance combining with oxygen, often resulting in a change in its chemical properties.

Memory Tip

Think of 'sharp' or 'acid' ('oxys') combining with something, which helps you remember that 'oxidise' means to combine with oxygen.

Visually Confused Words