dictionary help| alpha particles | medical dictionary |
Positively charged particles composed of two protons and two neutrons, i.e., helium nuclei, emitted during disintegration of very heavy isotopes; a beam of alpha particles or an alpha ray has very strong ionizing power, but weak penetrability.
(12 Dec 1998)
alpha-oxidation, alpha particle, alpha particle < Prev | Next > alpha-phenoxyethylpenicillin potassium
Bookmark with:      | word visualiser | Go and visit our forums  |
