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A comparatively rare element occurring most abundantly in the mineral chromite. Atomic weight 52.5. Symbol Cr. When isolated it is a hard, brittle, grayish white metal, fusible with difficulty. Its chief commercial importance is for its compounds, as potassium chromate, lead chromate, etc., which are brilliantly colore…

A hydrous silicate of copper, occurring massive, of a blue or greenish blue color.

Red sulphide of mercury, occurring in brilliant red crystals, and also in red or brown amorphous masses. It is used in medicine.

arrangement of voltaic elements or couples with proper conductors, by which a continuous current of electricity is established.

Currency; circulating coin; notes, bills, etc., current for coin.

citric acid. Citric acid (Chem.), an organic acid, C3H4OH.(CO2H)3, extracted from lemons, currants, gooseberies, etc., as a white crystalline substance, having a pleasant sour taste.

idop terous insect with partially transparent wings, of the family Ægeriadæ, of which the currant and peach-tree borers are examples.

A diversity of colors in yarn, recurring at regular intervals. Knight.

To drift in a current with an anchor out.

Acting in concurrence; united in action. With what's unreal thou coactive art. Shak.

A Spanish coin formerly current in Ireland, worth abiut 4s. 6d. [Obs.] Wright. Cob coal, coal in rounded lumps from the size of an egg to that of a football; -- called also cobbles. Grose. -- Cob loaf, a crusty, uneven loaf, rounded at top. Wright. -- Cob money, a kind of rudely coined gold and silver money of Spanis…

metal on which certain characters are stamped by government authority, making it legally current as money; -- much used in a collective sense. It is alleged that it [a subsidy] exceeded all the current coin of the realm. Hallam.

Exact correspondence in nature, character, result, circumstances, etc.; concurrence; agreement. The very concurrence and coincidence of ao many evidences . . . carries a great weight. Sir M. Hale. Those who discourse . . . of the nature of truth . . . affirm a perfect coincidence between truth and goodness. South.…

Having coincidence; occupying the same place; contemporaneous; concurrent; -- followed by with. Christianity teaches nothing but what is perfectly suitable to, and coincident with, the ruling principles of a virtuous and well- inclined man. South.

A hydrous borate of lime occurring in transparent colorless or white crystals, also massive, in Southern California.

A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.

An instrument for currying hairy animals, or cleansing and smoothing their coats; a currycomb.

A piece of apparatus used for reversing the direction of an electrical current; an attachment to certain electrical machines, by means of which alternating currents are made to be continuous or to have the same direction.

rison; relative; not positive or absolute, as compared with another thing or state. The recurrence of comparative warmth and cold. Whewell. The bubble, by reason of its comparative levity to the fluid that incloses it, would necessarily ascend to the top. Bentley.

A preparation used in currying leather.