QUADRILATERAL n. 3 definitions
Complete quadrilateral (Geom.), the figure made up of the six straight lines that can be drawn through four points, A., B, C, I, the lines being supposed to be produced indefinitely.
REABSORB v.
To absorb again; to draw in, or imbibe, again what has been effused, extravasated, or thrown off; to swallow up again; as, to reabsorb chyle, lymph, etc.; -- used esp. of fluids.
RECIPROCATE v. 2 definitions
de; to act interchangeably; to alternate. One brawny smith the puffing bellows plies, And draws and blows reciprocating air. Dryden. Reciprocating engine, a steam, air, or gas engine, etc., in which the piston moves back and forth; -- in distinction from a rotary engine, in which the piston travels continuously in one…