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l, a metal of small value, as compared with gold or silver. -- Fusible metal (Metal.), a very fusible alloy, usually consisting of bismuth with lead, tin, or cadmium. -- Heavy metals (Chem.), the metallic elements not included in the groups of the alkalies, alkaline earths, or the earths; specifically, the heavy meta…

inear measure in the metric system of weights and measures. It was intended to be, and is very nearly, the ten millionth part of the distance from the equator to the north pole, as ascertained by actual measurement of an arc of a meridian. See Metric system, under Metric. Common meter (Hymnol.), four iambic verses, or…

aceous genus of trees or shrubs, found in Australia and the South Sea Islands, and having very hard wood. Metrosideros vera is the true ironwood.

A mineral of an iron-black color, and very sectile, consisting principally of sulphur, antimony, and silver.

of minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. They differ widely in composition, and vary in color from pale brown or yellow to green or black. The transparent forms are used in lanterns, the doors of stoves, etc., being popularly calle…

A genus of Spherobacteria, in the form of very small globular or oval cells, forming, by transverse division, filaments, or chains of cells, or in some cases single organisms shaped like dumb-bells (Diplococcus), all without the power of motion. See Illust. of Ascoccus.

specific gravity. It is a tantalate of calcium, and occurs in octahedral crystals usually very minute.

Of or pertaining to micrology; very minute; as, micrologic examination. -- Mi`cro*log"ic*al*ly, adv.

- Position micrometer. See under Position. -- Scale, or Linear, micrometer, a minute and very delicately graduated scale of equal parts used in the field of a telescope or microscope, for measuring distances by direct comparison.

An instrument for intensifying and making audible very feeble sounds. It produces its effects by the changes of intensity in an electric current, occasioned by the variations in the contact resistance of conducting bodies, especially of imperfect conductors, under the action of acoustic vibrations.

A very minute plant, one of certain unicellular algæ, such as the germs of various infectious diseases are believed to be.

Very small; visible only by the aid of a microscope; as, a microscopic insect.

A sporangium or conceptacle containing only very minute spores. Cf. Macrosporangium.

ertain flowerless plants, as Selaginella and Isoetes, which bear two kinds of spores, one very much smaller than the other. Cf. Macrospore.

A tasimeter, especially when arranged for measuring very small extensions. See Tasimeter.

An instrument for making very thin sections for microscopical examination.

A very small fly, abundant in many parts of the United States and Canada, noted for the irritating quality of its bite.

A very diminutive person.

To a great degree; very much. Practical jokes amused us mightily. Hawthorne.

In a great degree; very. [Colloq.] "He was mighty methodical." Jeffrey. We have a mighty pleasant garden. Doddridge.