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A constituent portion of a living or spiritual whole; a member; an organ; an essential element. All the parts were formed . . . into one harmonious body. Locke. The pulse, the glow of every part. Keble.

study of alcoholic fermentation, but used also for the cultivation of bacteria and other organisms. It contains all the elements of protoplasm, and was originally made of the ash of yeast, some ammonia compound, sugar, and water.

One of a pair of small vesicular organs situated at the bases of the anterior wings of lepidopterous insects. See Illust. of Butterfly.

fluids in infectious diseases, and supposed to be the cause of the disease; a pathogenic organism; a pathogenic bacterium; -- opposed to zymogene.

Of or pertaining to pathogeny; producting disease; as, a pathogenic organism; a pathogenic bacterium.

Having an organization of society and government in which the head of the family exercises authority over all its generations. Patriarchal cross (Her.), a cross, the shaft of which is intersected by two transverse beams, the upper one being the smaller. See Illust.

To utter or give out loud sounds. There let the pealing organ blow. Milton.

A medicine for diseases of the chest organs, especially the lungs.

to a given surface. -- Pedal note (Mus.), the note which is held or sustained through an organ point. See Organ point, under Organ. -- Pedal organ (Mus.), an organ which has pedals or a range of keys moved by the feet; that portion of a full organ which is played with the feet.

Pertaining to the foot, or to any organ called a foot; pedal. Dana.

A slender support of any special organ, as that of a capsule in mosses, an air vesicle in algæ, or a sporangium in ferns.

A peculiar forcepslike organ which occurs in large numbers upon starfishes and echini. Those of starfishes have two movable jaws, or blades, and are usually nearly, or quite, sessile; those of echini usually have three jaws and a pedicel. See Illustration in Appendix.

One of the second pair of mouth organs of arachnids. In some they are leglike, but in others, as the scorpion, they terminate in a claw.

Pertaining to, or designating, an organic acid (called also nonoic acid) found in the leaves of the geranium (Pelargonium) and allied plants.

tached to the lower surface, instead of at the base or margin; -- said of a leaf or other organ. -- Pel"tate*ly, adv.

The male member, or organ of generation.

The digestive organs. Is there some magic in the place, Or do my peptics differ Tennyson.

btain knowledge of through the senses; to receive impressions from by means of the bodily organs; to take cognizance of the existence, character, or identity of, by means of the senses; to see, hear, or feel; as, to perceive a distant ship; to perceive a discord. Reid.

The act of perceiving; cognizance by the senses or intellect; apperhension by the bodily organs, or by the mind, of what is presented to them; discernment; apperhension; cognition.

lay on a musical instrument; as, the players perform poorly; the musician performs on the organ.