Dyson

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• A patronymic English surname, from Dennis +‎ -son, compare Tyson, Tennyson.

Dyson (plural Dysons)

1. A surname.
   • 2020 March 13, Oliver Darcy, “Andrew Gillum apologizes after being found ‘inebriated’ in hotel room where police say man was treated for ‘possible drug overdose’”, in CNN Business‎^[1]:

     When Mejias arrived at the hotel room later that night, he discovered Dyson and Gillum inside the room “under the influence of an unknown substance,” the police report said.

• Dysan

Genericized trademark of the brand name used by Dyson, a company known for their range of cyclonic vacuum cleaners, named after its founder James Dyson (born 1947). Compare Hoover.

Dyson (plural Dysons)

1. (UK, informal) A cyclonic vacuum cleaner.

• dynos, dyons, synod