peep in

peep in(to something)

To peer, glimpse, or glance in(to something) quickly, shyly, or inconspicuously. The secretary peeped in and disappeared just as quickly when she realized people were in the room. He peeped into the box and saw that his wife had gotten him a new watch for Christmas.
See also: peep

peep in(to something)

to get a quick look into something, as through a hole in the wall or something similar. I peeped into the oven to see what was cooking for dinner. She opened the oven door and peeped in.
See also: peep
References in periodicals archive ?
Inverse ratio ventilation has not been demonstrated, however, to confer any advantage over conventional ventilation with external PEEP in improving gas exchange.
Another point of investigative interest concerns the use of applied PEEP in passively ventilated patients with airflow obstruction.
Positive end-expiratory pressure devices have been used to reduce ventilatory work, improve gas exchange and counteract intrinsic PEEP in patients receiving mechanical ventilation, (20), (21) but to our knowledge, this technique has not been used on an intermittent basis in nonventilated subjects.
We did not aim in this study to investigate the optimal value of PEEP in individual patients.
Van der Zee (33) and colleagues, however, noted no change in normal lungs, but a decrease in pulmonary QL with PEEP in animals with alloxan-induced vascular injury.
You eliminate the peep in your string, which saves you valuable light at dawn or dusk, and eliminating the weight of the peep from your string might add a few feet per second of arrow speed.
For example, FineLine's "Ultra-Glo" Peep is a wide peep that features adjustable, light-catching fiber optics that pick up ambient light to aid the archer in quickly finding and centering the peep in low light.
If you place your peep in this "true" center, it will remain most stable.