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.
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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.
A seismometer for measuring amplitudes or periods, or both, 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.
A combination of the coarser parts of ground wheat the finest bran, separated from the fine flour and coarse bran in bolting; -- formerly regarded as valuable only for feed; but now, after separation of the bran, used for making the best quality of flour. Middlings contain a large proportion of gluten.
A colloquial abbreviation of midshipman.
A vertical water space in a fire box or combustion chamber.
the middle part of a playing field (as in football or lacrosse); as, he ran the kickoff back to midfield.
A minute bloodsucking fly.
The middle part of the alimentary canal from the stomach, or entrance of the bile duct, to, or including, the large intestine.
The midst or middle of heaven or the sky.
a long iron{5} with a nearly vertical face.
The interior or central region of a country; -- usually in the plural.
The middle part of the main or sea.
Middle; middlemost.
Being in, or characteristic of, the middle of the night; as, midnight studies; midnight gloom.
A talmudic exposition of the Hebrew law, or of some part of it.
A continuation of the petiole, extending from the base to the apex of the lamina of a leaf.
See Diaphragm, n., 2.
Of or pertaining to, or being in, the middle of a ship.
The timbers at the broadest part of the vessel.
In the middle.
the middle of a stream; as, don't change horses in midstream.
The middle of summer.
A Eurasian mountain plant (Sedum rosea) with fleshy pink-tipped leaves and a cluster of yellow flowers.
the middle of the gestation period.
In or toward the midst.
In the middle of the way or distance; half way.
The middle of the week. Also used adjectively.
occurring during the middle of the week; as, a midweekly prayer meeting.
The north central region of the U. S.
Of or pertaining to the Midwest region of the U. S., generally including Ohio; Indiana; Illinois; Iowa; Missouri; Kansas; Nebraska; and sometimes Michigan; Wisconsin; Minnesota; as, a midwestern city; midwestern accent.
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