median

中央値

順に並べた数の真ん中の値。真ん中が二つなら、その二つの平均。

やさしい英語で： The middle value in an ordered list of numbers, or the average of the two middle values.

• The median is ten.
• We calculated the median of the test scores.
• A few very high salaries barely changed the median.

使い方： median of something (The median of these five numbers is twelve.)

類義語： middle value

よく使う表現： calculate the median, median of something, sample median

中央分離帯

反対方向に走る車の流れを隔てる、帯状の土地や障壁。

やさしい英語で： A strip of land or a barrier between traffic travelling in opposite directions.

• The car hit the median.
• Trees grow along the highway median.
• A concrete median separates the two directions of traffic.

類義語： central reservation, divider

よく使う表現： grassy median, highway median, median strip

中線

三角形の頂点と、その向かいの辺の中点を結ぶ線分。

やさしい英語で： A straight line from a corner of a triangle to the middle of its opposite side.

• Draw a median in this triangle.
• The three medians meet at one point.
• Each median divides the triangle into two equal areas.

使い方： median of a triangle (Draw one median of the triangle.)

よく使う表現： triangle median, draw a median, median of something

中央値の

数を小さい順に並べたときの、中央の値に関する。

やさしい英語で： Describing the middle value when numbers are arranged from lowest to highest.

• The median age is thirty.
• Median house prices rose last year.
• What is the median income in this region?

よく使う表現： median income, median age, median salary

中央の、中間の

物の中央の部分や範囲に位置する。

やさしい英語で： Located in the middle part or area of something.

• The median line divides the design.
• A narrow band occupies the median region.
• The drawing shows the median section of the structure.

類義語： central, middle

反対語： outer

よく使う表現： median line, median position, median section

正中の

体の部分や構造の真ん中、または真ん中に近い位置にある。

やさしい英語で： Located in or towards the middle of a body part or structure.

• The diagram shows the median plane.
• A median section reveals the organ’s inner structure.
• The surgeon identified a small median opening.

類義語： midline, central

よく使う表現： median plane, median structure, median section