1. The tendency of certain plant organs, as leaves, to assume special "sleeping" positions or make curl up under the influence of darkness

Derived forms: nyctitropisms

• toluidine
• Tolypeutes
• Tolypeutes tricinctus
• tom
• Tom and Jerry
• Tom Bradley
• Tom Collins
• Tom Hanks
• Tom Paine
• Tom Sawyer
• Tom Stoppard
• Tom Thumb
• tom turkey
• Tom Wolfe
• tom-tom
• tomahawk
• tomalley
• Tomas de Torquemada
• Tomasso Parentucelli
• tomatillo
• tomato
• tomato blight
• tomato concentrate
• tomato fruitworm
• tomato hornworm