variable

変わりやすい、可変の

よく変わる、または変えることができる。

やさしい英語で： Changing often, or able to be changed.

• The weather here is variable.
• The machine runs at variable speeds.
• Our monthly income has been highly variable.

類義語： changeable, varying

反対語： constant, fixed

よく使う表現： variable weather, variable speed, highly variable

ばらつきのある

同じ集団の中でも、一つ一つに大きな違いがある。

やさしい英語で： Very different from one member of a group to another.

• The samples are variable in size.
• The quality of these products is highly variable.
• Children of this age have variable reading skills.

使い方： variable across something (Quality is variable across the different brands.)

類義語： uneven, inconsistent

反対語： uniform

よく使う表現： variable quality, variable size, highly variable

変数、要因

変化することで、状況や結果に影響する要因。

やさしい英語で： A factor that can change and affect a situation or result.

• Weather is an important variable.
• The researchers measured several variables.
• We must consider every variable before making a decision.

類義語： factor

よく使う表現： important variable, control a variable, key variable

変数

未知の数や変わりうる数を表す文字や記号。

やさしい英語で： A letter or symbol representing a number that is unknown or can change.

• The letter x represents a variable.
• This equation contains two variables.
• Find the value of the variable.

類義語： unknown

反対語： constant

よく使う表現： unknown variable, solve for a variable, variable x

変数

プログラム内で数や文字列などの値を保存する、名前の付いた場所。

やさしい英語で： A named place in a computer program that holds a value, such as a number or text.

• This variable stores the score.
• Give each variable a clear name.
• The program updates two variables after every click.

反対語： constant

よく使う表現： declare a variable, local variable, variable name

変数

複数の数値のいずれかを取りうる数量。

やさしい英語で： A quantity whose value can be any of several possible numbers.

• Time is the independent variable.
• Each variable can take several values.
• The graph shows how one variable affects another.

反対語： constant

よく使う表現： independent variable, dependent variable, random variable