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In twice the quantity; to twice the degree; as, doubly wise or good; to be doubly sensible of an obligation. Dryden.

Growing; advancing from childhood to maturity. Schools, unless discipline were doubly strong, Detain their adolescent charge too long. Cowper.

Doubly prostyle; having columns at each end, but not at the sides. -- n.

In most branches of science bi- in composition denotes two, twice, or doubly; as, bidentate, two-toothed; biternate, doubly ternate, etc.

Doubly fringed.

Doubly pinnatifid.

Doubly polar; having two poles; as, a bipolar cell or corpuscle.

Doubly serrate, or having the serratures serrate, as in some leaves.

Doubly ternate, as when a petiole has three ternate leaflets. -- Bi*ter"nate*ly, adv. Gray.

Doubly prismatic.

One of the dark particles forming the doubly refracting disks of muscle fibers.

Twice; doubly. I was double their age. Swift.

the direction of the optic axis that objects are most distinctly seen. (b) The line in a doubly refracting crystal, in the direction of which no double refraction occurs. A uniaxial crystal has one such line, a biaxial crystal has two. -- Optical circle (Opt.), a graduated circle used for the measurement of angles in…

light. It is usually a reflecting plate, or a plate of some crystal, as tourmaline, or a doubly refracting crystal.

d to negative, and said of metals, bases, and basic radicals. Positive crystals (Opt.), a doubly refracting crystal in which the index of refraction for the extraordinary ray is greater than for the ordinary ray, and the former is refracted nearer to the axis than the latter, as quartz and ice; -- opposed to negative c…

to increase by continued or repeated additions; to augment greatly; to multiply. So they Doubly redoubled strokes upon the foe. Shak. n. An optional bid made by the side currently holding the highest bid for the contract, after the opposing side has doubled. This bid increases the score for successfully making the con…

the elliptic functions have not only a real but an imaginary period, and are hence called doubly periodic. -- Periodic law (Chem.), the generalization that the properties of the chemical elements are periodic functions of their atomic wieghts. "In other words, if the elements are grouped in the order of their atomic w…

Beset with teeth pointing forwards or upwards; as, serrate leaves. Doubly serrate, having small serratures upon the large ones, as the leaves of the elm. -- Serrate-ciliate, having fine hairs, like the eyelashes, on the serratures; -- said of a leaf. -- Serrate-dentate, having the serratures toothed.…

Doubly; in twofold quantity or degree; as, twice the sum; he is twice as fortunate as his neighbor.

In a double degree; doubly.