Definition of heater in English:

heater

noun

  • 1A device for warming the air or water.

    ‘a wall-mounted electric heater’
    ‘a gas water heater’
    • ‘I think that's a really important message that we need to get across to people, because whenever you say energy conservation, they immediately think turning off their heaters and not being warm and stuff.’
    • ‘And it had one rare commodity, a giant electric portable heater that warmed the entire unit.’
    • ‘Said Tim: ‘We keep Trelow warm with a furry hot water bottle and a heater, and for comfort he clings to a toy cow!’’
    • ‘In fact, modern hire cruisers are equipped to a very high standard, so you can expect a full gas cooker, refrigerator and hot and cold running water - even heaters to take the early morning chill out of your cabin.’
    • ‘And a tankless hot-water heater provides warm water on demand, rather than consuming energy 24 hours a day.’
    • ‘Since then they have had just a couple of electric heaters to warm the house and no hot water.’
    • ‘We will also be able to purchase five oil heaters to warm up the building and some food items to stock up our new freezer’
    • ‘The boat even has a coal-effect heater, which warms two radiators.’
    • ‘For £1 a time people stand in their swimming costumes under the warm air heaters and wait.’
    • ‘‘We don't have a heater or warm water,’ she told me, looking down.’
    • ‘It hasn't been repaired yet and we are having to hire small heaters to keep it warm.’
    • ‘The appliance essentially consists of a water tank and a heater equipped with a thermostat control.’
    • ‘Last night, while engineers from gas pipeline company Transco battled to repair the burst main and restore supplies, some residents were left to huddle round electric heaters to keep warm.’
    • ‘Other people have been going out and buying electric heaters to keep warm and using kettles to have a hot bath.’
    • ‘Little electric heaters are used to warm rooms and they now have three hot showers.’
    • ‘The warm air from the heater and the steaming cups of caffeine didn't help me that much either.’
    • ‘He made swift movements to turn on a Shard heater to warm the water in his tub.’
    • ‘I installed wall heaters, an electric water heater, dryer and range, but asked for help with a mechanical heat pump.’
    • ‘The school can only allow a limited number of students into the building at one time because only a few classrooms can be warmed by electric heaters.’
    • ‘Decades-old electric heaters struggled to warm the concrete.’
    warmer, radiator, convector, fire, brazier
    View synonyms
    1. 1.1Electronics A conductor used for indirect heating of the cathode of a thermionic valve.
  • 2Baseball
    A fastball.

    ‘he drove the next pitch, another heater, over the left-field fence’
    • ‘On a first pitch fastball, Andy LaRoche smacked a 93 mph heater right back up the middle, nearly hitting Nieve in the process.’
    • ‘Jarrod throws the standard pitches but no longer relies on his heater the way he once did.’
    • ‘He had an amazing fastball; his heater was something I had never seen, and don't get me started on his curve.’
    • ‘He then popped up a well-placed heater on the 3-2 pitch, ending the threat.’
    • ‘He came back from a shot to the right hip and fired two heaters clocked at 94-96 mph to strike out Preston Wilson.’
    • ‘Spahn was a port-sider who relied on his heater until a knee injury forced him to develop a screwball, which became his out pitch over the latter half of his career.’
  • 3North American dated, informal A gun.

    ‘we lined up 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.’
    • ‘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.’

Pronunciation

heater

/ˈhiːtə/