gamma
noun (gamma, gammas)
Everyday
- Gamma is the third letter of the Greek alphabet, written γ (small) and Γ (capital), after alpha and beta. tree →
- (science) Gamma rays are very powerful, invisible rays given off by radioactive materials and by explosions in space; they can harm living things. tree →
- Gamma is used as a label for the third thing in a list, after alpha and beta. tree →
In the lessons
In maths and science it can stand for an angle or a value; in science lessons about light and radiation gamma rays come at the high-energy end of the electromagnetic spectrum. Phrases: «gamma rays», «alpha, beta and gamma».
Examples
- Gamma is the third letter of the Greek alphabet. tree →
- Alpha, beta, gamma, delta. tree →
- Gamma rays are stronger than X-rays. tree →
- Hospitals use gamma rays to kill germs on equipment. tree →
- In the comic, the hero was hit by gamma rays. tree →
- We labelled the third angle gamma. tree →
- Thick lead blocks stop gamma rays. tree →
- Gamma rays come from exploding stars. tree →
Note
Say «GAM-uh». The word «alphabet» comes from alpha and beta. Comic stories about gamma rays giving superpowers are fiction; real gamma rays are dangerous.
On Mova
- Trees and pragmatics of «gamma» in the school dictionary: every meaning and example parsed by Mova, with its dependency tree and frames.
- «gamma» in the school dictionary on Mova free.
This page in Markdown → https://md.dictionary.elamur.ai/free/en/english/gamma/