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.

A small computer based on a microprocessor; in practise, at any given time in the technology of computer development, a microcomputer will be one that is less powerful than a minicomputer.

A little world; a miniature universe. Hence (so called by Paracelsus), a man, as a supposed epitome of the exterior universe or great world. Opposed to macrocosm.

Of or pertaining to the microcosm.

Description of man as a microcosm.

A measure of electrical quantity; the millionth part of one coulomb.

An instrument for making faint sounds audible, as to a partially deaf person.

The weight of the half hydrogen molecule, or of the hydrogen atom, at one time taken as the standard in comparing the atomic weights of the elements; thus, an atom of oxygen weighs sixteen microcriths. This unit is no longer used, and has been replaced by the Dalton, which is of approximately the same value. See molecular weight and Crith.

Crystalline on a fine, or microscopic, scale; consisting of fine crystals; as, the ground mass of certain porphyrics is microcrystalline.

One of the elementary granules found in blood. They are much smaller than an ordinary corpuscle, and are particularly noticeable in disease, as in anaemia.

Having small teeth.

The millionth part of a farad.

to photograph and produce images of on microfilm.

A microscopic form of life; an animal or vegetable organism of microscopic size.

An instrument for executing minute writing or engraving.

Of or pertaining to micrography.

The description of microscopic objects.

The millionth part of an ohm.

A tribe of Lepidoptera, including a vast number of minute species, as the plume moth, clothes moth, etc.

An extinct genus of small Triassic mammals, the oldest yet found in European strata.

Same as Microlite, 2.

Formed of small stones.

Of or pertaining to micrology; very minute; as, micrologic examination.

That part of science which treats of microscopic objects, or depends on microscopic observation.

A form of mercury poisoning resulting from long term exposure to low doses of mercury. The syndrome of micromercurialism involves complex symptoms of stress, fatigue, memory loss, fine tremors, muscular and reflex insufficiency and low blood pressure, caused by accumulation of mercury in the system. A condition of hyperthermia is accompanied by a series of functional changes under the effects of mercury. The combined simultaneous effect of toxic action, temperature and galvanic response infers a cycle of disintegration and change.

One of the smaller cells, or blastomeres, resulting from the complete segmentation of a telolecithal ovum.

A meteorite so small that it drifts down to Earth without becoming intensely heated in the earth's atmosphere.

of or relating to a micrometeorite.

An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of objects which subtend minute angles. The measurement given directly is that of the image of the object formed at the focus of the object glass.

Belonging to micrometry; made by the micrometer.

The art of measuring with a micrometer.

The millionth part of a meter.

A genus of Old World harvest mice.

A measure of length; the thousandth part of one millimeter; the millionth part of a meter.

Of or pertaining to Micronesia, a collective designation of the islands in the western part of the Pacific Ocean, embracing the Marshall and Gilbert groups, the Ladrones, the Carolines, etc.

A dark race inhabiting the Micronesian Islands. They are supposed to be a mixed race, derived from Polynesians and Papuans.

An instrument for noting minute portions of time.

Any microscopic form of life; a form of life too small to be seen by the naked eye; -- particularly applied to bacteria, protozoa, yeasts, and similar organisms, esp. such are supposed to cause infectious diseases.

A kind of pantograph which produces copies microscopically minute.

A parasitic microorganism.

A rock showing under the microscope the structure of a graphic granite (pegmatite).

An instrument for converting sounds into electrical signals, for the purpose of recording or amplifying the sounds. It produces its effects in various ways, as for example 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. Other forms of microphone may use changes in capacitance or other phenomena to transduce the sounds into electrical signals.

Of or pertaining to a microphone; serving to intensify weak sounds.

The science which treats of the means of increasing the intensity of low or weak sounds, or of the microphone.

Serving to augment the intensity of weak sounds; microcoustic.

The art of making microphotographs.

An unnatural smallness of the eyes, occurring as the result of disease or of imperfect development.

Small-leaved.

Pertaining to, or of the nature of, microphytes.

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

An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted. An opening in the outer coat of a seed, through which the fecundating pollen enters the ovule.

Pertaining to microscopy, or to the use of the microscope.

An optical instrument, consisting of a lens, or combination of lenses, for making an enlarged image of an object which is too minute to be viewed by the naked eye.

Microscopic.

By the microscope; with minute inspection; in a microscopic manner.

One skilled in, or given to, microscopy.

The use of the microscope; investigation with the microscope.

A feeble earth tremor not directly perceptible, but detected only by means of specially constructed apparatus.

A microseismometer; specif., a microseismometer producing a graphic record.

Science or study of microseisms.

Having the orbital index relatively small; having the orbits broad transversely; -- opposed to megaseme.

a tiny granule in the cytoplasm of a cell; it consists of ribosomes bound to fragments of the endoplasmic reticulum and mitochondria.

A genus of tropical usually epiphytic ferns, found from Africa to Asia, and from Polynesia to Australia.

A spectroscope arranged for attachment to a microscope, for observation of the spectrum of light from minute portions of any substance.

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

One of the exceedingly minute spores found in certain flowerless plants, as Selaginella and Isoetes, which bear two kinds of spores, one very much smaller than the other. Cf. Macrospore.

Of or pertaining to microspores.

One of a group of mammals having a small size as a typical characteristic. It includes the lower orders, as the Insectivora, Cheiroptera, Rodentia, and Edentata.

Having a typically small size; of or pertaining to the microsthenes.

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

An instrument for making very thin sections for microscopical examination.

Of or pert. to the microtome or microtomy; cutting thin slices.

One who is skilled in or practices microtomy.

The art of using the microtome; investigation carried on with the microtome.

A measure of electro-motive force; the millionth part of one volt.

The millionth part of one weber.

A small motile spore furnished with two vibratile cilia, found in certain green algae.

The Infusoria.

A microorganism which is supposed to act like a ferment in causing or propagating certain infectious or contagious diseases; a pathogenic bacterial organism.

A genus of coral snakes.

A genus of snakes including certain of the coral snakes, such as the eastern coral snake (Micrurus fulvius).

to pass urine through the ureter; to urinate.

The act of voiding urine; urination; also, a morbidly frequent passing of the urine, in consequence of disease.

See Amid.

the time of life between 80 and 90.

the middle part of February.

the time of life between 50 and 60.

the time of life between 40 and 50.

the middle part of January.

the middle part of July.

the middle part of June.

the middle part of March.

the middle part of May.

the time of life between 90 and 100.

the middle part of November.

the middle part of October.

the fielding position in cricket closest to the bowler on the off side.

the fielding position in cricket closest to the bowler on the on side.

The middle part of the sea or ocean.

the middle part of September.

the time of life between 70 and 80.

the time of life between 60 and 70.

the time of life between 30 and 40.

the time of life between 20 and 30.

The larva of the bean fly.

some point in the air; above ground level; as, the planes collided in midair; also used attributively; as, a midair collision.

A genus of longeared South American monkeys, including numerous species of marmosets. See Marmoset.

The middle segment of the brain; the mesencephalon. See Brain.

Of or pertaining to noon; meridional; as, the midday sun.

Midst; middle.

Same as Midden.

The point or part equally distant from the extremities or exterior limits, as of a line, a surface, or a solid; an intervening point or part in space, time, or order of series; the midst; central portion the waist.

Being about the middle of the ordinary age of man; early in the century, it was considered between 30 and 50 years old, but by the end of the 19th centruy it was considered as 40 to 60.

The world, considered as lying between heaven and hell.

That part of a picture between the foreground and the background.

intermediate in rank or position; as, middle-level management.

supporting or pursuing a course of action that is neither liberal nor conservative.

Being in the middle, or nearest the middle; midmost.

One of a middle or intermediate class in some schools and seminaries.

Of middle rank, state, size, or quality; about equally distant from the extremes; medium; moderate; mediocre; ordinary.