Definition of heater in English:


Line breaks: heat¦er
Pronunciation: /ˈhiːtə


1A device for warming the air or water: a wall-mounted electric heater a gas water heater
More example sentences
  • Since then they have had just a couple of electric heaters to warm the house and no hot water.
  • ‘We don't have a heater or warm water,’ she told me, looking down.
  • He made swift movements to turn on a Shard heater to warm the water in his tub.
electric heater, gas heater, convector heater, fan heater, storage heater, water heater, geyser, immersion heater, block heater;
Australian/New Zealand chip heater
1.1 Electronics A conductor used for indirect heating of the cathode of a thermionic valve.
2 Baseball A fastball: he drove the next pitch, another heater, over the left-field fence
More example sentences
  • He had an amazing fastball; his heater was something I had never seen, and don't get me started on his curve.
  • On a first pitch fastball, Andy LaRoche smacked a 93 mph heater right back up the middle, nearly hitting Nieve in the process.
  • He then popped up a well-placed heater on the 3-2 pitch, ending the threat.
3North American informal , dated A gun: we lined up with our right hands on our heaters in our side pockets
More example sentences
  • Rusty sometimes carried a heater, but it rarely had any bullets in it.
  • When we reached Gus's hangout we lined up, ready for hell, with our right hands on our heaters in our side pockets.
  • I tell Louie to open up his glove compartment and I get the heater out of it and put it in my pocket.

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Pronunciation: ˌəʊlɪˈadʒɪnəs
rich in, covered with, or producing oil; oily