SOLAR a. 5 definitions
r magnifier, for throwing an enlarged image of the object at its focus upon a screen in a dark room or in a darkened box. -- Solar month. See under Month. -- Solar oil, a paraffin oil used an illuminant and lubricant. -- Solar phosphori (Physics), certain substances, as the diamond, siulphide of barium (Bolognese or…
SPANISH a. 2 definitions
flexible rushlike twigs. -- Spanish brown, a species of earth used in painting, having a dark reddish brown color, due to the presence of sesquioxide of iron. -- Spanish buckeye (Bot.), a small tree (Ungnadia speciosa) of Texas, New Mexico, etc., related to the buckeye, but having pinnate leaves and a three-seeded fr…
SPECTRUM n. 3 definitions
assed through a medium capable of absorbing a portion of the rays. It is characterized by dark spaces, bands, or lines. -- Chemical spectrum, a spectrum of rays considered solely with reference to their chemical effects, as in photography. These, in the usual photogrophic methods, have their maximum influence at and b…
SPRUCE n. 7 definitions
ber tree (Pseudotsuga Douglasii) of Northwestern America. -- Essence of spruce, a thick, dark-colored, bitterish, and acidulous liquid made by evaporating a decoction of the young branches of spruce. -- Hemlock spruce (Bot.), a graceful coniferous tree (Tsuga Canadensis) of North America. Its timber is valuable, and…
SQUALL n. 3 definitions
snow. The gray skirts of a lifting squall. Tennyson. Black squall, a squall attended with dark, heavy clouds. -- Thick squall, a black squall accompanied by rain, hail, sleet, or snow. Totten. -- White squall, a squall which comes unexpectedly, without being marked in its approach by the clouds. Totten.…