1. The property possessed by living protoplasm of contracting, and thus moving, when touched by a solid or fluid substance

Encyclopedia: Thigmotaxis

• unreel
• unrefined
• unreflected
• unreflective
• unreformable
• unreformed
• unrefreshed
• unregenerate
• unregenerated
• unregistered
• unregretful
• unregretting
• unregularity
• unregulated
• unrehearsed
• unrejoicing
• unrelated
• unrelatedness
• unrelaxed
• unreleased
• unrelenting
• unrelentingly
• unreliability
• unreliable
• unreliableness