(physics) A nuclear reaction in which a beta particle (electron or positron) is emitted.

(physics) A chained series of the products of nuclear decay of a particular isotope

plural of alpha decay

(physics) Radioactive decay by emitting an alpha particle.

plural of decay chain

(physics) Any of several processes by which unstable nuclei emit subatomic particles and/or ionizing radiation and disintegrate into one or more smaller nuclei.

(biochemistry) A cellular pathway for the rapid destruction of damaged or mutant messenger RNAs lacking a stop codon in the proper reading frame.

(biochemistry) A cellular pathway for the rapid destruction of messenger RNAs with premature stop codons resulting from nonsense mutations or frameshifts.