plural of Perko

A surname.

One of 93 counties in Nebraska, United States. County seat: Grant. Named after Charles Elliott Perkins

simple past tense and past participle of perken

present participle of perken

Third-person singular simple present indicative form of perken

plural of perkinsozoan

(protozoology, zoology) Any parasite of the superclass Perkinsozoa

plural of Perky effect

The phenomenon whereby sensory input, or perceptions, can be mistaken for a mental image when perceptual processes and mental imagery interfere with each other.