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Work, measured in terms of the quantity of heat to which it is equivalent.

See Parergy.

llation from various vegetable juices and infusions of a saccharine nature, which have undergone vinous fermentation.

A variety of pseudomorph which has undergone partial or complete change or substitution of material; -- thus limonite is frequently an allomorph after pyrite. G. H. Williams.

Earthen ware or porcelain which has undergone the first baking, before it is subjected to the glazing.

servative system (Mech.), a material sustem of such a nature that after the system has undergone any series of changes, and been brought back in any manner to its original state, the whole work done by external agents on the system is equal to the whole work done by the system overcoming external forces. Clerk Maxwell.…

alled (most plainly seen in Sanskrit and, with some changes, in Greek and Latin), have undergone in the Teutonic languages. Examples: Skr. bhatr, L. frater, E. brother, G. bruder; L. tres, E. three, G. drei, Skr. go, E. cow, G. kuh; Skr. dha to put, Gr. ti-qe`-nai, E. do, OHG, tuon, G. thun. -- Kepler's laws (Astron.)…

ining to, produced by, or exhibiting, certain changes which minerals or rocks may have undergone since their original deposition; -- especially applied to the recrystallization which sedimentary rocks have undergone through the influence of heat and pressure, after which they are called metamorphic rocks.…

ody by the earth's radius. -- Optical parallax, the apparent displacement in position undergone by an object when viewed by either eye singly. Brande & C. -- Parallax of the cross wires (of an optical instrument), their apparent displacement when the eye changes its position, caused by their not being exactly in the…

possessing, or characterized by, some quality or property in the first degree; having undergone the first stage of substitution or replacement. Primary alcohol (Organic Chem.), any alcohol which possess the group CH2.OH, and can be oxidized so as to form a corresponding aldehyde and acid having the same number of carb…

ratification. It is now believed to be caused by the compression which the strata have undergone. -- Slaty gneiss (Min.), a variety of gneiss in which the scales of mica or crystals of hornblende, which are usually minute, form thin laminæ, rendering the rock easily cleavable.

ng superseded; supersedure. The general law of diminishing return from land would have undergone, to that extent, a temporary supersession. J. S. Mill.

Pert. to or designating heat rays that have undergone selective absorption and are therefore analogous to colored light rays.

ous, or nearly so; -- said especially of young or embryonic tissues which have not yet undergone differentiation (see Differentiation, 3), that is, which show no visible separation into their different structural parts.