argument

口論、言い争い

意見が合わず、しばしば怒って言い合うこと。

やさしい英語で： An often angry conversation in which people disagree with each other.

• We had an argument yesterday.
• Their arguments often upset the children.
• Did you hear the argument next door?

使い方： argument with someone about something (I had an argument with my brother about the car.)

類義語： quarrel, dispute, row

反対語： agreement

よく使う表現： have an argument, heated argument, argument with someone, start an argument

論拠、論証

考えや意見の正しさ、または誤りを示すための理由。

やさしい英語で： Reasons used to show that an idea or opinion is right or wrong.

• Your argument makes sense.
• She offered several arguments for keeping the park.
• The report presents a strong argument against the proposal.

使い方： argument for/against something (She presented an argument against raising prices.); argument that… (His argument that the plan would save money convinced us.)

類義語： case, reasoning

よく使う表現： strong argument, argument for something, argument against something

引数

プログラムの関数が処理をするために渡される値。

やさしい英語で： A value sent to a computer function so it can do its work.

• This function needs one argument.
• The program checks whether the argument is a number.
• You can pass several arguments to this function.

使い方： pass an argument to a function (Pass the filename as an argument to the function.)

類義語： input

よく使う表現： optional argument, pass an argument, argument value

項

文の意味の中で、動作主などの役割を担う語や句。

やさしい英語で： A word or phrase that fills a role, such as who acts, in a sentence’s meaning.

• The verb requires two arguments.
• In this sentence, the subject is an argument of the verb.
• Students identified the semantic roles of each argument.

よく使う表現： verb argument, semantic argument, argument structure

引数、独立変数

数学の関数に入力する数や値。

やさしい英語で： A number or other value used as the input to a mathematical function.

• The argument of the function is zero.
• Different arguments may produce the same result.
• The formula uses a positive number as its argument.

使い方： argument of a function (The argument of this function is a real number.)

類義語： input, independent variable

よく使う表現： function argument, argument of something