A supplemental power plant that operates only when demand for power is high. These plants often run on natural gas.
noun, Psychology. 1. a high point in the life of a self-actualizer, during which the person feels ecstatic and more alive and whole than is usual.
- Peak expiratory flow
peak expiratory flow n. The maximum flow of air at the outset of forced expiration, which is reduced in proportion to the severity of airway obstruction, as in asthma.
- Peak flow meter
peak flow meter n. A portable instrument that detects minute decreases in air flow and that is used by people with asthma to monitor small changes in breathing capacity.
[pee-kee] /ˈpi ki/ adjective, peakier, peakiest. 1. 2 . /ˈpiːkɪ/ adjective -kier, -kiest 1. wan, emaciated, or sickly