Imhotep had aged by years in the last few weeks.

She grinned, but the released strain had aged her by years.

The flesh of his broad face was rigid, as if it had aged by compression.

"According to that, then everything the enemy took with him during his attack must have aged by the same amount, wouldn't you say?"

Which never alters: I have known her eighty years and she has not aged by a day.

The other, "aged by computer," showed how she might look at 13.

The Professor had not aged by a single day since last they met so very long ago.

And you have not aged by a day since then.

He was too far off to be sure, the foreign face which maybe had not aged by another line, the gelid eyes, invisible.

The cruel climate and hard work had aged him by twenty years.