Search the Dictionary

irs, according to the law of probability, are therefore on an average in the following proportions:

A radical regarded as derived from ammonium by the substitution of mercury for a portion of the hydrogen.

ry; -- said of those compounds of mercury into which this element enters in its lowest proportion. Mercuric chloride, corrosive sublimate. See Corrosive.

g mercury; -- said of those compounds of mercury in which it is present in its highest proportion. Mercurous chloride. (Chem.) See Calomel.

A combining form meaning part, portion; as, blastomere, epimere.

ammal, only partially composed of germinal matter, that is, consisting of both a germinal portion and an albuminous or nutritive one; -- opposed to holoblast.

minal matter; characterized by partial segmentation only; as, meroblastic ova, in which a portion of the yolk only undergoes fission; meroblastic segmentation; -- opposed to holoblastic.

An instrument of the ancients for finding two mean proportionals between two given lines, required in solving the problem of the duplication of the cube. Brande & C.

Of or pertaining to the middle portion of the nasal region.

The dorsal portion of the mesothorax of insects.

The middle portion of the foot in the Gastropoda and Pteropoda.

The middle portion, or body, of the sternum.

Epithelial mesoderm; a layer of cuboidal epithelium cells, formed from a portion of the mesoderm during the differetiation of the germ layers. It constitutes the boundary of the coelum.

Having the same elements united in the same proportion by weight, and with the same molecular weight, but possessing a different structure and different properties; as, methyl ether and ethyl alcohol are metameric compounds. See Isomeric.

The dorsal portion of the metaphorax of insects.

According to measure or proportion; proportionable; proportionate. [Obs.]

The application of chemical tests to minute objects or portions of matter, magnified by the use of the microscopy; -- distinguished from macro-chemistry.

An instrument for noting minute portions of time.

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

olid; an intervening point or part in space, time, or order of series; the midst; central portion; specif., the waist. Chaucer. "The middle of the land." Judg. ix. 37. In this, as in most questions of state, there is a middle. Burke.