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To make trial of again; to undergo or encounter again. [Obs.] Waller.

To be separated into its component parts or distinct principles; to undergo resolution.

one of its faces at right angles shall emerge at right angles at the opposite face, after undergoing within the rhomb, at other faces, two reflections. It is used to produce a ray circularly polarized from a plane-polarized ray, or the reverse. Nichol.

To undergo the process of being roasted.

To undergo a process common to organic substances by which they lose the cohesion of their parts and pass through certain chemical changes, giving off usually in some stages of the process more or less offensive odors; to become decomposed by a natural process; to putrefy; to decay. Fixed like a plant on his peculiar s…

erived from a peroxide base or analogous compound. [Obs.] -- Permanent salt, a salt which undergoes no change on exposure to the air. -- Proto salt (Chem.), a salt derived from a protoxide base or analogous compound. -- Rochelle salt. See under Rochelle. -- Salt of amber (Old Chem.), succinic acid. -- Salt of colco…

r any fat; hence (Chem.), to subject to any similar process, as that which ethereal salts undergo in decomposition; as, to saponify ethyl acetate.

in those those of the stomach, associated with certain diseases. The individual organisms undergo division along two perpendicular partitions, so that multiplication takes place in two directions, giving groups of four cubical cells. Also used adjectively; as, a sarcina micrococcus; a sarcina group. Sarcina form (Biol.…

To divide or separate into parts in growth; to undergo segmentation, or cleavage, as in the segmentation of the ovum.

The pupa of insects which undergo only a slight change in passing to the imago state.

lline substance, having a hot, bitter taste. When sinapine is isolated it is unstable and undergoes decomposition.

stratification. 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.

A reprimand; a rebuke. [Obs.] My lord, I will not undergo this sneap without reply. Shak.

The act of separating the parts of any body, or the condition of undergoing a separation of parts; disruption; breach. In all bodies there is an appetite of union and evitation of solution of continuity. Bacon.

The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or cheked by the environment.

gree. -- To stand to sea (Naut.), to direct the course from land. -- To stand under, to undergo; to withstand. Shak. -- To stand up. (a) To rise from sitting; to be on the feet. (b) To arise in order to speak or act. "Against whom, when the accusers stood up, they brought none accusation of such things as I supposed…

To undergo the process of soaking in a liquid; as, the tea is steeping. [Colloq.]

o those who held, or were alleged to hold, that the consecrated elements in the eucharist undergo the process of digestion in the body of the recipient.

To cause to undergo; as, to subject a substance to a white heat; to subject a person to a rigid test.

To feel, or endure, with pain, annoyance, etc.; to submit to with distress or grief; to undergo; as, to suffer pain of body, or grief of mind.