alpha radiation

noun

1. alpha particles emitted from a radioactive isotope

alpha radiation

1. Particles sent out by some radioactive nuclei , each particle consisting of two protons and two neutrons bound together. Alpha particles carry a positive charge . ( See beta radiation and gamma radiation .)

Notes

Alpha radiation, unlike gamma radiation, has low penetrating power; it can be stopped by clothing.

Example Sentences

Under an intense alpha radiation paraffin or vaseline become hard and infusible.

From Project Gutenberg