Crookes

American  

[krooks] / krʊks /

noun

1. Sir William, 1832–1919, English chemist and physicist: discovered the element thallium and the cathode ray.

---

Crookes British  

/ krʊks /

noun

1. Sir William. 1832–1919, English chemist and physicist: he investigated the properties of cathode rays and invented a type of radiometer and the lens named after him

---

Crookes Scientific  

/ krks /

1. British chemist and physicist who discovered thallium in 1861 and invented the radiometer (1873–76). He also developed the Crookes tube, a modified vacuum tube that was later used by W.C. Roentgen and J.J. Thomson in experiments that led to the discovery of x-rays and the electron, respectively.

---

Example Sentences

It's a journey that's seen South Asian music and artists - from Joy Crookes to Zayn Malik - make further strides into the mainstream.

From BBC • Sep. 12, 2025

Also previewing new material was London soul-pop singer Joy Crookes.

From BBC • Jun. 29, 2025

Doris Ludlam, 80, Bridget Bourke, 88, Irene Crookes, 79, and Ethel Hall, 86, were being treated on orthopaedic wards where Campbell worked in Leeds in 2002 and developed unexplained hypoglycaemia.

From BBC • Jun. 26, 2025

Johnson sang with Jungle when they headlined the West Holts Stage last year, while his bandmate Barney Lister is an award-nominated writer/producer for acts like Joy Crookes, Celeste, Olivia Dean and Obongjayar.

From BBC • Jun. 23, 2025

Mr. Alfred Crookes took an immense interest in her, and published a long account of his investigation of Spiritualism under her mediumship.

From There is no Death by Marryatt, Florence