tropism /trōˈpi-zm/ (biology)

1. Orientation in response to stimulus
2. A general term for heliotropism, geotropism, etc

tropistic /trop-istˈik/ adjective

Of tropism

• precocity
• precognisant
• penicillins
• Penicillium
• penie
• penile
• penillion
• penillion-singing
• pening
• peninsula
• peninsular
• peninsularities
• peninsularity
• peninsular unit
• peninsular units
• Peninsular War
• peninsulas
• peninsulate
• peninsulated
• peninsulates
• peninsulating
• penis
• penis envies
• penis envy
• penises