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of a bud into a blossom. Especially, that form of sexual reproduction in which an embryo undergoes a series of marked changes of external form, as the chrysalis stage, pupa stage, etc., in insects. In these intermediate stages sexual reproduction is usually impossible, but they ultimately pass into final and sexually…

e units which were conceived of as endowed with the power to produce all the changes they undergo, and thus determine all physical and spiritual phenomena.

A heap of ore; a mass undergoing the process of amalgamation.

veined wings. The mouth organs are adapted for chewing. They feed upon other insects, and undergo a complete metamorphosis. The ant-lion, hellgamite, and lacewing fly are examples. Formerly, the name was given to a much more extensive group, including the true Neuroptera and the Pseudoneuroptera.

The soft tissue, or substance, which, in developing bone, ultimately undergoes ossification.

e body 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 t…

one state or condition to another; to change possession, condition, or circumstances; to undergo transition; as, the business has passed into other hands. Others, dissatisfied with what they have, . . . pass from just to unjust. Sir W. Temple.

Undergoing pains, trails, or the like, without murmuring or fretfulness; bearing up with equanimity against trouble; long- suffering.

One under church censure, but admitted to penance; one undergoing penance.

The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation. -- Per`i*blas"tic, a.

les around the mouth. It is usually classed with the gephyreans. Its larva (Actinotrocha) undergoes a peculiar metamorphosis.

o another substance having the same atomic proportions, but a higher molecular weight; to undergo polymerization; thus, aldehyde polymerizes in forming paraldehyde.

Capacity of undergoing or suffering; fitness to be acted upon; susceptibility; -- called also passive power; as, great power of endurance. Power, then, is active and passive; faculty is active power or capacity; capacity is passive power. Sir W. Hamilton.

the changes or conditions preceding fecundation, especially to the changes which the ovum undergoes before fecundation.

ng, 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 c…

tute of something, especially of something required or desired; destitution; need; as, to undergo severe privations.

One who is undergoing probation; one who is on trial; a novice. While yet a young probationer, And candidate of heaven. Dryden.

A substance, usually nitrogenous, which is liable to undergo decomposition when in contact with air and moisture at ordinary temperatures.

That which is undergoing putrefaction; the products of putrefaction.

To freeze together again; to undergo regelation, as ice.