Definition

To remove moisture from a substance by freezing it and then reducing the surrounding pressure to allow the frozen water to sublimate.

Example

The scientists decided to lyophilise the samples to preserve them for future analysis.

Tense Forms

Conversation

Have you ever seen how they lyophilise food for space missions?

Yeah, it's pretty fascinating!

I think the process really preserves the nutrients well.

Absolutely! It’s amazing how they can make food last for so long.

Synonyms & Antonyms

Root Explanation

Lyophilise → It is formed from "lyo-" (from Greek "lyo", meaning to loosen or dissolve) and "-philise" (from Greek "philos", meaning loving or fond of). The word describes a process that involves loosening or removing moisture from a substance, often used in freeze-drying.

Memory Tip

Think of the Greek word 'lyo' meaning to loosen, which helps you remember that 'lyophilise' involves loosening moisture from a substance.

Visually Confused Words