Definition

The condition of a solution having a lower concentration of solutes compared to another solution, leading to a lower osmotic pressure.

Example

In a hypotonic solution, cells may swell as water moves in due to the concentration difference.

Conversation

Have you ever heard of hypotonicity?

Yeah, I think it has to do with solutions and osmotic pressure, right?

Exactly! It’s interesting how it affects muscle tissue too.

For sure, I read that it can lead to muscle weakness if not balanced.

Synonyms & Antonyms

Root Explanation

Hypotonicity → It is formed from "hypo-" (meaning under or below) and "tonus" (from Greek, meaning tension or tone) and the suffix "-ity" (meaning the state or condition of). The word describes the state of having a lower tension or concentration, particularly in relation to solutions.

Memory Tip

Think of 'hypo-' meaning 'under' and 'tonus' referring to 'tension' — this helps you remember that hypotonicity refers to a state of lower tension or concentration.

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