タウ
覚え方のコツ Memory Tip
ギリシャ文字の第19字 τ を表す語。英語では「タウ」に近く発音し、数学・物理では時定数などの記号、素粒子物理では tau particle（タウ粒子）として現れる。文字名と専門分野での記号という二つの使い方を結び付けて覚える。
Remember tau first as the name of the nineteenth Greek letter, τ. Then connect its shape and name with the places where the symbol commonly appears: a time constant in physics and engineering, certain mathematical quantities, and the tau particle in particle physics. When reading technical English, the surrounding subject tells you what τ represents. Keeping the core idea “a Greek letter used as a technical symbol” prevents you from treating each specialized use as an unrelated word.
tau の類義語・関連語
紛らわしい語
tau の語源・成り立ち Etymology
ギリシャ語の τ（タウ）に由来し、フェニキア文字の taw（「印・しるし」の意）が起源。ギリシャ文字の第19字で、数学や物理学では時定数や粒子名に使われる。関連語: T字形の T、taurine（タウリン、牛の胆汁から発見）。
The English name comes through Greek tau, the name of the letter Τ or τ. The Greek letter developed from the Phoenician letter taw, whose name was associated with a mark or sign. Greek tau later gave rise to the Roman letter T. Its modern scientific meanings come from the conventional use of Greek letters as symbols, not from separate word roots. The word taurine is historically unrelated to the letter name; it derives from Latin taurus, “bull.”
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