diameter

diameter

意味(日本語)

直径、横切って計る

語源

  • dia- : L., Gk.dia- = across, through(横切って, 二つの間に, ・・・しとおす, 完全な)

意味(英語)

  • (noun) Mathematics A straight line segment passing through the center of a figure, especially of a circle or sphere, and terminating at the periphery.
  • (noun) Mathematics The length of such a segment.
  • (noun) Thickness or width.
  • (noun) A unit for measuring the magnifying power of a microscope lens or telescope, equal to the number of times an object's linear dimensions are apparently increased.

例文

  • Then, a line of tiny holes, less than one-millionth of a meter in diameter, is punched into the metal, spaced five micrometers apart.

頭文字:

語源が同じ単語を一緒に覚えよう

diabetes

diabetes

糖尿病 ◇Gk.diabainein(=通りぬける)

語源

  • dia- : L., Gk.dia- = across, through(横切って, 二つの間に, ・・・しとおす, 完全な)

diabetic

diabetic

糖尿病の

語源

  • dia- : L., Gk.dia- = across, through(横切って, 二つの間に, ・・・しとおす, 完全な)

diagonal

diagonal

対角線の、斜めの ◇Gk.dia+gonia(=角、対角)

語源

  • dia- : L., Gk.dia- = across, through(横切って, 二つの間に, ・・・しとおす, 完全な)

diagonally

diagonally

斜めに

語源

  • dia- : L., Gk.dia- = across, through(横切って, 二つの間に, ・・・しとおす, 完全な)