CINNAMIC a.
mon. Cinnamic acid (Chem.), a white, crystalline, odorless substance. C6H5.C2H2C2H2.CO2H, formerly obtained from storax and oil of cinnamon, now made from certain benzene derivatives in large quantities, and used for the artificial production of indigo.
CLACK n.
e box or chamber in which a clack valve works. -- Clack dish, a dish with a movable lid, formerly carried by beggars, who clacked the lid to attract notice. Shak. Clack door (Mining), removable cover of the opening through which access is had to a pump valve. -- Clack valve (Mach.), a valve; esp. one hinged at one ed…
CLOG n.
makes use of wooden clogs. Harvey. Clog almanac, a primitive kind of almanac or calendar, formerly used in England, made by cutting notches and figures on the four edges of a clog, or square piece of wood, brass, or bone; -- called also a Runic staff, from the Runic characters used in the numerical notation. -- Clog d…
COB n.
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…