1. A colourless crystalline alkaloid derived from tea leaves or made synthetically; used in medicine as a bronchial dilator
   - theophylline, Elixophyllin, Theobid

Type of: bronchodilator

• dog stinkhorn
• dog tag
• dog turd
• dog violet
• dog wrench
• dog's bollocks
• dog's breakfast
• dog's dinner
• dog's mercury
• dog's-tooth violet
• dog-day cicada
• dog-ear
• dog-eared
• dog-iron
• dog-sized
• dog-tired
• dogbane
• dogbane family
• dogberry
• dogcart
• doge
• dogfight
• dogfighter
• dogfish
• dogged