beta particle

noun

: a high-speed electron

specifically : one emitted by a radioactive nucleus in beta decay

Examples of beta particle in a Sentence

Recent Examples on the Web

In addition, the tritium is far safer compared to historical alternatives because beta particles cannot penetrate human skin, and the gas is securely stored in the form of a solid metal hydride foil, eliminating the danger of leakage or explosion. — David Szondy july 07, New Atlas, 8 July 2026

Qianjiyuan Tianshu, on the other hand, turns the electrons or beta particles from the decay onto the silicon carbide semiconductor, where they are used to produce a current directly. — Ameya Paleja, Interesting Engineering, 8 July 2026

Soon thereafter, beta particles were identified as electrons, bringing these two independent aspects of reality together. — Ethan Siegel, Big Think, 30 Sep. 2025

The decay of the radioisotope produces high-energy beta particles that ionize the electrolyte, creating a potential difference between the anode and cathode immersed in the solution and driving electron flow through an external circuit to produce electricity. — IEEE Spectrum, 25 Aug. 2025

Word History

First Known Use

1904, in the meaning defined above

Rhymes for beta particle

• article
• interparticle
• nanoparticle
• quasiparticle

Kids Definition

beta particle

noun

: an electron or positron that is thrown out from the nucleus of an atom during radioactive decay

also : a high-speed electron or positron

Medical Definition

beta particle

noun

: a high-speed electron

specifically : one emitted during radioactive decay of an atomic nucleus