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g to a thread or line; characterized by threads stretched across the field of view; as, a filar microscope; a filar micrometer.

A genus of slender, nematode worms of many species, parasitic in various animals. See Guinea worm.

Of, pertaining to, or caused by, filariæ and allied parasitic worms.

The presence of filariæ in the blood; infection with filariæ.

The pin grass (Erodium cicutarium), a weed in California.

Two-threaded; involving the use of two threads; as, bifilar suspension; a bifilar balance. Bifilar micrometer (often called a bifilar), an instrument form measuring minute distances or angles by means of two very minute threads (usually spider lines), one of which, at least, is movable; -- more commonly called a filar…

One of the two elongated vibratile young formed by fission of the embryo during the development of certain Gregarinæ.

g only one thread; involving the use of only one thread, wire, fiber, or the like; as, unifilar suspension. Unifilar magnetometer (Physics), an instrument which consists of a magnetic bar suspended at its center of gravity by a long thread, constituting a delicate means for accurately measuring magnetic intensities, al…

Same as Alfilaria.

The Guinea worm (Filaria medinensis).

Certain species of nematodes of the genus Filaria, sometimes found in the blood of man, the horse, the dog, etc.

, often proving fatal. The lungworm of cattle (Strongylus micrurus) and that of sheep (S. filaria) are the best known.

rometer, in which the two images are formed by the double refraction of rock crystal. -- Filar, or Bifilar, micrometer. See under Bifilar. -- Micrometer caliper or gauge (Mech.), a caliper or gauge with a micrometer screw, for measuring dimensions with great accuracy. -- Micrometer head, the head of a micrometer scr…

sinking a recess for the head of a bolt, etc.; a counterbore. -- Pin grass. (Bot.) See Alfilaria. -- Pin hole, a small hole made by a pin; hence, any very small aperture or perforation. -- Pin lock, a lock having a cylindrical bolt; a lock in which pins, arranged by the key, are used instead of tumblers. -- Pin mon…

needle, the pin grass; -- so called from the long, tapering points of the carpels. See Alfilaria. -- Sea pink. See Thrift.

Any long, slender nematode worm, especially the pinworm and filaria.