tropism /trōˈpi-zm/ (biology)

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

tropistic /trop-istˈik/ adjective

Of tropism

• rund
• rundale
• rundales
• rundle
• rundled
• rundles
• rundlet
• rundlets
• run down
• run-down
• rundown
• run-downs
• run dry
• runds
• rune
• runecraft
• runecrafts
• runed
• run errands
• runes
• rune-singer
• rune-singers
• rune-stave
• rune-staves
• runflat