出典:Wiktionary
出典:『Wiktionary』 (2025/11/14 21:50 UTC 版)
From 中期英語 straungenesse; equivalent to strange + -ness.
strangeness (usually uncountable, plural strangenesses)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/01 03:04 UTC 版)
In particle physics, strangeness S is a property of particles, expressed as a quantum number, for describing decay of particles in strong and electromagnetic reactions, which occur in a short period of time. The strangeness of a particle is defined as:
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