LOBSTER n.
orwegian lobster (Nephrops Norvegicus) is similar in form. All these have a pair of large unequal claws. The spiny lobsters of more southern waters, belonging to Palinurus, Panulirus, and allied genera, have no large claws. The fresh-water crayfishes are sometimes called lobsters. Lobster caterpillar (Zoöl.), the cater…
PART n.
One of the portions, equal or unequal, into which anything is divided, or regarded as divided; something less than a whole; a number, quantity, mass, or the like, regarded as going to make up, with others, a larger number, quantity, mass, etc., whether actually separate or not; a piece; a fragment; a fraction; a divisi…
PRISM n.
.), a prism composed usually of two prisms of different transparent substances which have unequal dispersive powers, as two different kinds of glass, especially flint glass and crown glass, the difference of dispersive power being compensated by giving them different refracting angles, so that, when placed together so…
RANDOM a.
y, and so strong a bridle to the random. H. Spencer. Random courses (Masonry), courses of unequal thickness. -- Random shot, a shot not directed or aimed toward any particular object, or a shot with the muzzle of the gun much elevated. -- Random work (Masonry), stonework consisting of stones of unequal sizes fitted t…
RUSSET a.
called) a red gray; of the color composed of blue, red, and yellow in equal strength, but unequal proportions, namely, two parts of red to one each of blue and yellow; also, of a yellowish brown color. The morn, in russet mantle clad. Shak. Our summer such a russet livery wears. Dryden.
SEGMENTATION n.
egularity of cleavage is interfered with by the presence of food yolk, from which results unequal segmentation. See Holoblastic, Meroblastic, Alecithal, Centrolecithal, Ectolecithal, and Ovum. -- Segmentation sphere (Biol.), the blastosphere, or morula. See Morula.
SIPHON n.
A device, consisting of a pipe or tube bent so as to form two branches or legs of unequal length, by which a liquid can be transferred to a lower level, as from one vessel to another, over an intermediate elevation, by the action of the pressure of the atmosphere in forcing the liquid up the shorter branch of the pipe…