cathode ray

ریشه

The term 'cathode ray' was coined by the English physicist William Crookes in 1879. 'Cathode' comes from the Greek word 'kathodos', meaning 'way down' or 'descent', and 'ray' refers to the stream of particles.

مثال

• The cathode ray is used in old-fashioned television sets.
• Scientists studied the properties of cathode rays in early experiments.
• The discovery of cathode rays led to the development of the cathode-ray tube.

ترکیب‌های رایج

Cathode ray tube Cathode ray oscilloscope