Many held that no visible or perceptible effect would in any manner be produced.

Mrs Lykourgos' testimony had had a perceptible effect on the jury.

And that has had virtually no perceptible effect on inflation.

These commodities are not so huge in terms of the overall economy that they've had any perceptible effect on inflation.

"It's a little too early to tell" whether the war has had any perceptible effect, she said.

He was surprised and a little disappointed, to see that his admirable shot had produced no perceptible effect.

He concentrated on raising the temperature of the area surrounding the drake, though there was no perceptible effect for some time.

In practical calculations these things have a perceptible effect, of course.

This had a perceptible effect on the Commission' s ability to take action.