Definition

A machine or person that heats and cools materials, usually metals or glass, to make them stronger or to change their properties.

Example

The annealer is essential in the glass-making process to ensure the final product is durable.

Conversation

I learned that a glass annealer can help improve the strength of the glass.

That's interesting! How does it work exactly?

It heats the glass and then cools it down slowly to relieve stress.

Wow, I didn't know that! It makes sense to use an annealer for that.

Synonyms & Antonyms

Root Explanation

Annealer → It is formed from "anneal" (from Old French *aneler*, meaning to heat and cool metal to make it stronger) and "-er" (meaning a person who). An annealer is a person who performs the process of heating and cooling materials to improve their properties.

Memory Tip

Think of someone who 'heats and cools' materials to make them stronger — that's what an annealer does.

Visually Confused Words