chemotaxis.

Directional movement of a cell or organism in response to a chemical concentration gradient.

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Words that belong together

• bacterial chemotaxis
• positive chemotaxis

On the page

The culture showed chemotaxis toward the chemical source.

They distinguished chemotaxis from a change in movement speed alone.

Usage notes

Primary category: sci-fi. Forms: Usually uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.