The word 'wow' is an interjection used to express amazement.
Слово 'вау' - это междометие, используемое для выражения удивления.
Definitions
A word or phrase that is used to express a sudden feeling or reaction, often standing alone and not grammatically related to other parts of a sentence.
The interjection 'wow' is often used to express amazement.
The act of interjecting or an instance of being interjected; an abrupt remark, interruption, or exclamation inserted into dialogue or discourse.
Her sudden interjection brought the discussion to a halt.