DISPLACEMENT n.
The process of extracting soluble substances from organic material and the like, whereby a quantity of saturated solvent is displaced, or removed, for another quantity of the solvent. Piston displacement (Mech.), the volume of the space swept through, or weight of steam, water, etc., displaced, in a given time, by the…
DOMINO n.
ject, causes it in turn to fall, and that second object causes a third to fall, etc.; the process can be repeated an indefinite number of times. Derived from an entertainment using dominoes arranged in a row, each standing on edge and therefore easily knocked over; when the first is made to fall against the next, it st…
DRAINAGE n.
The act, process, or means of drawing off the pus or fluids from a wound, abscess, etc. Drainage tube (Surg.), a tube introduced into a wound, etc., to draw off the discharges.