D defs.my
Entry 1 sense Webster, 1913

Sprengel pump

/(sprĕng"el pŭmp`)/ · Spreng·el pump · IPA
01 A form of air pump in which exhaustion is produced by a stream of mercury running down a narrow tube, in the manner of an aspirator; -- nam…
  1. 1.
    A form of air pump in which exhaustion is produced by a stream of mercury running down a narrow tube, in the manner of an aspirator; -- named from the inventor.(Physics)