Other forms: hairdryers
A hairdryer is the machine that blows hot air onto wet hair. Use a hairdryer, a travel hairdryer, the hairdryer is broken.
It is a fan and a heating element in one case, and most draw between one and two kilowatts, which makes it among the hungriest small appliances in a house. In British football, the hairdryer treatment means a manager shouting into a player's face at close range, named for Alex Ferguson. Note the spellings hairdryer and hair dryer, both used.
1nounhairdryerA machine that blows hot air onto wet hair.
“The hairdryer draws about two kilowatts.”
hairdryer is an appliance.
Also accepted in games: blow dryer, hair dryer
Hair plus dryer, a plain compound from the early twentieth century when the appliance appeared. The spelling has never settled into one word or two.
From hair + dryer.
Etymology from Wiktionary, CC BY-SA