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Anaërobic bacteria. They are called facultative anaërobia when able to live either in the presence or absence of free oxygen; obligate, or obligatory, anaërobia when they thrive only in its absence.

culiar relations to circles; -- sometimes called bicircular quartics. -- Anallagmatic surfaces, a certain class of surfaces of the fourth degree.

a table in which the characteristics of the species or other groups are arranged so as to facilitate the determination of their names.

A distorted or monstrous projection or representation of an image on a plane or curved surface, which, when viewed from a certain point, or as reflected from a curved mirror or through a polyhedron, appears regular and in proportion; a deformation of an image.

han the skeleton of a man in full stature. Fuller. They brought one Pinch, a hungry, lean-faced villain, A mere anatomy. Shak.

hen it is lifted out of the ground. -- The anchor is awash, when it is hove up to the surface of the water. -- At anchor, anchored. -- To back an anchor, to increase the holding power by laying down a small anchor ahead of that by which the ship rides, with the cable fastened to the crown of the latter to prevent it…

An ensign or flag. [Obs.] More dishonorable ragged than an old-faced ancient. Shak.

A particular or detached incident or fact of an interesting nature; a biographical incident or fragment; a single passage of private life.

Any inflammatory affection of the throat or faces, as the quinsy, malignant sore throat, croup, etc., especially such as tends to produce suffocation, choking, or shortness of breath. Angina pectoris, a peculiarly painful disease, so named from a sense of suffocating contraction or tightening of the lower part of the c…

e angles. See Alternate. -- Angle bar. (a) (Carp.) An upright bar at the angle where two faces of a polygonal or bay window meet. Knight. (b) (Mach.) Same as Angle iron. -- Angle bead (Arch.), a bead worked on or fixed to the angle of any architectural work, esp. for protecting an angle of a wall. -- Angle brace, An…

iety of the domestic goat, reared for its long silky hair, which is highly prized for manufacture.

orless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made.

A disease due to inhaling the poisonous fumes present in the manufacture of aniline.

The faculty of perceiving; a percipient. [Obs.] Dr. H. More.

I do not mean there is a certain number of ideas glaring and shining to the animadversive faculty. Coleridge.

A narrow circle of some distinct color on a surface or round an organ.

Nameless; of unknown name; also, of unknown /or unavowed authorship; as, an anonymous benefactor; an anonymous pamphlet or letter.

ssume different positions when resting, Culex usually holding the body parallel to the surface on which it rests and keeping the head and beak bent at an angle, while Anopheles holds the body at an angle with the surface and the head and beak in line with it. Unless they become themselves infected by previously biting…

To respond to satisfactorily; to meet successfully by way of explanation, argument, or justification, and the like; to refute. No man was able to answer him a word. Matt. xxii. 46. These shifts refuted, answer thine appellant. Milton. The reasoning was not and could not be answered. Macaulay.

Capable of being answered or refuted; admitting a satisfactory answer. The argument, though subtle, is yet answerable. Johnson.