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to experiments in any branch of natural science; as, a chemical, physical, or biological laboratory. Hence, by extension, a place where something is prepared, or some operation is performed; as, the liver is the laboratory of the bile.

A laboratory. [Obs.]

carpenter, etc.; also, one who prepares the shells, fuses, grenades, etc., in a military laboratory.

nce called organic compounds, though their synthesis may be effected in many cases in the laboratory. The formation of the compounds of carbon is not dependent upon the life process. I. Remsen -Carbon dioxide, Carbon monoxide. (Chem.) See under Carbonic. -- Carbon light (Elec.), an extremely brilliant electric light p…

tc. ; for carrying on business); horse equipments; infantry equipments; naval equipments; laboratory equipments. Armed and dight, In the equipments of a knight. Longfellow.

suggest or known truth; practical test; poof. A political experiment can not be made in a laboratory, not determinant in a few hours. J. Adams.

A laboratory. [Obs.]

A chemical laboratory. [Obs.] Dunglison.

(which are also observed in the spectra of some stars), obtained at the highest available laboratory temperatures (Lockyer); as protocalcium, protochromium, protocopper, protonickel, protosilicon, protostrontium, prototitanium, protovanadium. -- Pro`to*me*tal"ic (#), a.

e into a ball for use at the toilet. -- Sand bath. (a) (Chem.) A vessel of hot sand in a laboratory, in which vessels that are to be heated are partially immersed. (b) A bath in which the body is immersed in hot sand. -- Sand bed, a thick layer of sand, whether deposited naturally or artificially; specifically, a thi…

A laboratory; a place or room in which distillation is performed. [R.] Dr. H. More. Sir H. Wotton.

A surgeon's operating room or laboratory.

nd concavo-convex glass of shallow depth used for certain manipulations of chemicals in a laboratory. -- Watch guard, a chain or cord by which a watch is attached to the person. -- Watch gun (Naut.), a gun sometimes fired on shipboard at 8 p. m., when the night watch begins. -- Watch light, a low-burning lamp used b…

e circulated, thereby regulating the temperature or supply of heat to the vessel. Used in laboratory and manufacturing equipment. water- jacketed. Having a water jacket; -- as, a water-jacketed condenser.