"Magnifying mirrors" are mirrors that make things appear larger when you look at them. They are used to see tiny details, like for applying makeup or looking closely at your skin. Full definition
All rooms have a fully equipped bathroom with magnifying mirror and hair - dryer, air - conditioning, satellite TV, direct dial phone, mini-barservice (on request), terrace and safety deposit box (extra charge). (loveholidays.com)
I have a small lighted magnifying mirror that saves me from embarrassing smudges when I'm traveling. (whattheflicka.com)
Look in magnifying mirror at the bit of your tongue visible through the hole. (carolinaparent.com)