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bacterial resting cell, -- formerly considered a spore, but now known to occur even in endosporous bacteria. -- Ar`thro*spor"ic (#), Ar*thros"po*rous (#), a.

One of the larger divisions of Crustacea, so called because the thorax and abdomen are both segmented; Tetradecapoda. It includes the Amphipoda and Isopoda.

A variety of amphibole or of pyroxene, occurring in long and delicate fibers, or in fibrous masses or seams, usually of a white, gray, or green-gray color. The name is also given to a similar variety of serpentine.

One of the spores contained in the asci of lichens and fungi. [See Illust. of Ascus.]

The science or knowledge of the stars, esp. the fixed stars. Bouvier.

An old astronomical instrument, formed of two cones, on whose surface the constellations were delineated.

Observation of the stars. [Obs.]

A variety of chorea, marked by peculiar tremors of the fingers and toes.

; -- applied also to the gaseous envelope of any celestial orb, or other body; as, the atmosphere of Mars.

Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth.

In relation to the atmosphere.

The science or a treatise on the atmosphere.

Extemporary; offhand. [R.] Dean Martin.

Automatic stability; also, inherent stability. An aëroplane is inherently stable if it keeps in steady poise by virtue of its shape and proportions alone; it is automatically stable if it keeps in steady poise by means of self-operative mechanism.

Having the mandibular arch articulated directly to the cranium, as in the skulls of the Amphibia.

lf-suggestion as distinguished from suggestion coming from another, esp. in hypnotism. Autosuggestion is characteristic of certain mental conditions in which expectant belief tends to produce disturbance of function of one or more organs.

A grallatorial bird, of the genus Recurvirostra; the scooper. The bill is long and bend upward toward the tip. The American species is R. Americana. [Written also avocette.]

Same as Avocet.

Relating to bacterioscopy; as, a bacterioscopic examination.

One skilled in bacterioscopic examinations.