atom
atom
意味(日本語)
原子、微分子 ◇L.Gk.atomos(=これ以上分解できない) < a(=否定)+timnien(=切る)
- a : 無、否定
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語源
- tom- : Gk.tomnein = (切断する)
意味(英語)
- (noun) A part or particle considered to be an irreducible constituent of a specified system.
- (noun) The irreducible, indestructible material unit postulated by ancient atomism.
- (noun) An extremely small part, quantity, or amount.
- (noun) Physics & Chemistry A unit of matter, the smallest unit of an element, having all the characteristics of that element and consisting of a dense, central, positively charged nucleus surrounded by a system of electrons. The entire structure has an approximate diameter of 10-8 centimeter and characteristically remains undivided in chemical reactions except for limited removal, transfer, or exchange of certain electrons.
- (noun) Physics & Chemistry This unit regarded as a source of nuclear energy. See Table at subatomic particle.
例文
- Coined in ancient Greece, the term atom means “indivisible unit,” and through the nineteenth century, scientists believed that our entire physical universe was composed of these elementary particles.
語源が同じ単語を一緒に覚えよう
any
any
解剖、解剖学 ◇Gk.ana(=ばらばらに)+temnein(=切る)
語源
- tom- : Gk.tomnein = (切断する)
anatomic、-cal
anatomic、-cal
解剖学上の
語源
- tom- : Gk.tomnein = (切断する)
atomic
atomic
原子力の、◇atomic energy(=原子力)
Prefix
- a : 無、否定
語源
- tom- : Gk.tomnein = (切断する)
entomology
entomology
昆虫学 ◇Gk.entos=within(=内部の)、Gk.entomos(=刻みめのついた)、entom(o)(=昆虫)
語源
- tom- : Gk.tomnein = (切断する)
epitome
epitome
(本、文学作品、講演の)大要、要約、縮図
語源
- tom- : Gk.tomnein = (切断する)
epitomize
epitomize
要約する、縮図的に示す
語源
- tom- : Gk.tomnein = (切断する)