plural of impinger

Third-person singular simple present indicative form of impinge

Any of several instruments in which fine particles (dust) in a gas are analysed by blowing them through a jet onto a wetted plate, prior to being counted. Typically used for particle analysis

present participle of impinge

An impingement.

simple past tense and past participle of impinge

plural of impingement

Striking against or upon.

The quality of being impingent.

plural of impinging