What is "of an"

Usage examples of "of an".

Walking down the street with another woman was hardly evidence of an affair.

Victory frowned when he heard it, because the first duty of an employee in her situation was to remain pleasantly impassive in the face of any deformation&mdash.

I woke all at once, as I generally do when I am going to see her, and there she was against the door into the big room, sitting just as I saw her sit on her own doorstep, as white as snow, and her eyes as blue as the heart of an iceberg.

I occupied myself with the picture for perhaps a quarter of an hour, during which Wilde smoked reflectively, but uttered not one word.

The tracks of an AFV are only good for a few hundred miles, a fraction of the life of a tire and a thousand times as expensive.