Definition

A long oven or kiln that usually has a moving belt and is used for heating materials like glass to make them softer or to change their properties.

Example

The factory uses a lehr to anneal the glass products before packaging them.

Conversation

Have you ever seen how a lehr works in a glass factory?

No, I haven't, but it sounds interesting!

It's fascinating to watch the glass move through the lehr as it cools down.

I can imagine! It must be quite a sight to see.

Synonyms & Antonyms

Root Explanation

The word 'lehr' originates from German, meaning 'to teach' or 'to instruct'.

Memory Tip

Think of the German word for teaching, 'lehren', to remember that 'lehr' relates to the act of teaching.

Visually Confused Words