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The blue coloring matter of flowers; -- called also anthokyan and anthocyanin.

One of a series of artificial blue or red dyes obtained from quinoline and lepidine and used in calico printing.

rystalline aggregates, of a sky-blue color. It is a silicate of aluminium. [Written also kyanite.]

from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a member of the halogen group of elements,…

An instrument for measuring degress of blueness.

A disease in which the body is colored blue in its surface, arising usually from a malformation of the heart, which causes an imperfect arterialization of the blood; blue jaundice.

A blue coloring matter supposed by some to be one of the component parts ofchlorophyll.

Rendered blue, as the surface of the body, from cyanosis or deficient a

A condition in which, from insufficient aCyanopathy.

Native sulphate of copper. Cf. Blue vitriol, under Blue.

Relating to cyanosis; affected with cyanosis; as, a cyanotic patient; having the hue caused by cyanosis; as, a cyanitic skin.

A photographic picture obtained by the use of a cyanide.

A salt of cyanuric acid.

A cyanide. [Obs.]

Pertaining to, or derived from, cyanic and uric acids.

ined by heating uric acid or urea, and called pyrouric acid; afterwards obtained from isocyanic acid. It is a white crystalline substance, odorless and almost tasteless; -- called also tricarbimide.

In the form of a cup, a little widened at the top.

A kind of coccolith, which in shape resembles a minute cup widened at the top, and varies in size from

Like, or pertaining to, the family Cyathophyllidæ.

See Dyaks.