also: インタロゲイションマーク
noun
interrogation mark; question mark
A punctuation mark (?) used to indicate a question. This is a direct loanword from English, used in technical or linguistic contexts, but the everyday term is 疑問符 (ぎもんふ) or simply クエスチョンマーク.
英文では、疑問文の終わりにインタロゲーションマークを付けます。
In English sentences, you put an interrogation mark at the end of a question.
Variant spelling reflecting a slightly different English pronunciation.
Spelling with interpunct; less common in everyday writing.
Rare variant with interpunct and alternative vowel.
Borrowed from English 'interrogation mark'.