1. Hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
   - thyroxine, thyroxin, T

Type of: thyroid hormone

• rat-arsed
• rat-catcher
• rat-tail file
• rat-tat
• rata
• ratability
• ratable
• ratables
• ratafee
• ratafia
• ratafia biscuit
• ratan
• rataplan
• ratatouille
• ratbag
• ratbite fever
• ratbite fever bacterium
• ratch
• ratchet
• ratchet down
• ratchet screwdriver
• ratchet wheel
• rate
• rate of attrition
• rate of depreciation