It's pretty unlikely you'll be wandering Paris in shorts - especially since you're used to such warm weather -- the oldtimers count mid-May as the final frost date! (sometimes it works that way, sometimes it doesn't -- but they publish garden advice to protect your plants until mid-May).
Dihydrogen Monoxide (DHMO) is a colorless and odorless chemical compound, also referred to by some as Dihydrogen Oxide, Hydrogen Hydroxide, Hydronium Hydroxide, or simply Hydric acid.
Managed Care Dental Insurance: PPO and DHMO A dental PPO (preferred provider organization) is analogous to a medical PPO. Patients are free to see any provider within the insurance company's PPO network. Participating dentists have agreed to discounted rates negotiated by the insurance company.