Regulo® /regˈū-lō/

1. A thermostatic control system for gas ovens
2. Loosely (with a given numeral) one of the graded scale of temperatures on a gas oven (also without cap)

• OSF
• OSHA
• oshac
• oshacs
• osier
• osier-bed
• osier-beds
• osiered
• osieries
• osiers
• osiery
• Osirian
• Osiris
• -osis
• Osmanli
• osmate
• osmates
• osmeteria
• osmeterium
• osmiate
• osmiates
• osmic
• osmic acid
• osmidroses
• osmidrosis