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Like, or allied to, the porcupines; -- said of a group (Hystricomorpha) of rodents.

The language of the Icelanders. It is one of the Scandinavian group, and is more nearly allied to the Old Norse than any other language now spoken.

A compound with, or derivative of, the imido group; specif., a compound of one or more acid radicals with the imido group, or with a monamine; hence, also, a derivative of ammonia, in which two atoms of hydrogen have been replaced by divalent basic or acid radicals; -- frequently used as a combining form; as, succinimi…

Pertaining to, containing, or combined with, the radical NH, which is called the imido group. Imido acid, an organic acid, consisting of one or more acid radicals so united with the imido group that it contains replaceable acid hydrogen, and plays the part of an acid; as, uric acid, succinimide, etc., are imido acids.…

which the unknown quantities admit of an infinite number of values, or sets of values. A group of equations is indeterminate when it contains more unknown quantities than there are equations. -- Indeterminate inflorescence (Bot.), a mode of inflorescence in which the flowers all arise from axillary buds, the terminal…

Any one of the derivatives of indogen, which contain that group as a nucleus.

ving the form of a funnel; pertaining to an infundibulum. Infundibulate Bryozoa (Zoöl.),a group of marine Bryozoa having a circular arrangement of the tentacles upon the disk.

One of the Insessores. The group includes most of the common singing birds.

ly established to include the perching birds, but now generally regarded as an artificial group.

Uniting two groups; -- said of certain genera which connect family groups, or of species that connect genera. See Osculant.

To have the character of, or to lie between, two distinct groups.

Included wholly within an organ or limb, as certain groups of muscles; -- opposed to extrinsic. Intrinsic energy of a body (Physics), the work it can do in virtue of its actual condition, without any supply of energy from without. -- Intrinsic equation of a curve (Geom.), the equation which expresses the relation whic…

A nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. Symbol I. Atomic weight 126.5. If heated, iodine volatilizes in beautiful violet vapors.…

A rare metallic element, of the same group as platinum, which it much resembles, being silver-white, but harder, and brittle, and indifferent to most corrosive agents. With the exception of osmium, it is the heaviest substance known, its specific gravity being 22.4. Symbol Ir. Atomic weight 192.5.

rtions, similar relations, or similar differences of composition; -- said specifically of groups or series which differ by a constant difference; as, ethane, ethylene, an acetylene, or their analogous compounds, form an isologous series.

g to, or designating, the characteristic, nitrogenous radical, NOH, called the isonitroso group.

ates of Italy by the inventor, Aldus Manutius, about the year 1500. Italic languages, the group or family of languages of ancient Italy. -- Italic order (Arch.), the composite order. See Composite. -- Italic school, a term given to the Pythagorean and Eleatic philosophers, from the country where their doctrines were…

The black grouper of Florida and Texas.

e nucleus becomes enlarged and convoluted, and finally the threads are separated into two groups which ultimately become disconnected and constitute the daughter nuclei. Called also mitosis. See Cell development, under Cell.

One of a group of nitrogenous phosphorized principles, supposed by Thudichum to exist in brain tissue.