Dyson

//ˈdaɪ.sən// name, noun, slang

name, noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A cyclonic vacuum cleaner. UK, informal
Proper Noun
  1. 1
    A surname.

    "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."

Example

More examples

"I read the research paper "Type III Dyson Sphere of Highly Advanced Civilizations around a Super Massive Black Hole.""

Etymology

Etymology 1

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

Etymology 2

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.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.