SPECTRUM n.
ngths, as when formed by a diffraction grating. -- Ocular spectrum. See Spectrum, 2 (b), above. -- Prismatic spectrum, a spectrum produced by means of a prism. -- Solar spectrum, the spectrum of solar light, especially as thrown upon a screen in a darkened room. It is characterized by numerous dark lines called Frau…
SPERM WHALE n.
ead of enormous size. The upper jaw is destitute of teeth. In the upper part of the head, above the skull, there is a large cavity, or case, filled with oil and spermaceti. This whale sometimes grows to the length of more than eighty feet. It is found in the warmer parts of all the oceans. Called also cachalot, and spe…
SPINDLE n.
e spindle of the headstock of a turning lathe. -- Spindle shell. (Zoöl.) See Spindle, 7. above. -- Spindle side, the female side in descent; in the female line; opposed to spear side. Ld. Lytton. [R.] "King Lycaon, grandson, by the spindle side, of Oceanus." Lowell. -- Spindle tree (Bot.), any shrub or tree of the g…
STATUTE n.
n behalf of the trade of cappers. [Obs.] Halliwell. -- Statute fair. See Statute, n., 3, above. -- Statute labor, a definite amount of labor required for the public service in making roads, bridges, etc., as in certain English colonies. -- Statute merchant (Eng. Law), a bond of record pursuant to the stat. 13 Edw. I…
STEAM n.
or Low-pressure steam, steam of which the pressure is less than, equal to, or not greatly above, that of the atmosphere. -- Saturated steam, steam at the temperature of the boiling point which corresponds to its pressure; -- sometimes also applied to wet steam. -- Superheated steam, steam heated to a temperature high…