SECONDARY a.
hich are not inseparable from them as such, but are dependent for their development and intensity on the organism of the percipient, such as color, taste, odor, etc. -- Secondary quills or remiges (Zoöl.), the quill feathers arising from the forearm of a bird and forming a row continuous with the primaries; -- called…
UNDER a.
Lower in position, intensity, rank, or degree; subject; subordinate; -- generally in composition with a noun, and written with or without the hyphen; as, an undercurrent; undertone; underdose; under-garment; underofficer; undersheriff. Under covert (Zoöl.), one of the feathers situated beneath the bases of the quills i…
UNIT n.
g, Foot Pound, Kilogrammeter. -- Unit stress (Mech. Physics), stress per unit of area; intensity of stress. It is expressed in ounces, pounds, tons, etc., per square inch, square foot, or square yard, etc., or in atmospheres, or inches of mercury or water, or the like.