PRINTING n.
, a printing office. -- Printing ink, ink used in printing books, newspapers, etc. It is composed of lampblack or ivory black mingled with linseed or nut oil, made thick by boiling and burning. Other ingredients are employed for the finer qualities. Ure. -- Printing office, a place where books, pamphlets, or newspape…
PRISM n.
ich are parallel to the vertical axis. See Form, n., 13. Achromatic prism (Opt.), a prism composed usually of two prisms of different transparent substances which have unequal dispersive powers, as two different kinds of glass, especially flint glass and crown glass, the difference of dispersive power being compensated…
PRIVY a.
al residence. [Eng.] -- Privy council (Eng. Law), the principal council of the sovereign, composed of the cabinet ministers and other persons chosen by the king or queen. Burrill. -- Privy councilor, a member of the privy council. -- Privy purse, moneys set apart for the personal use of the monarch; also, the title o…
PUNCH n.
A beverage composed of wine or distilled liquor, water (or milk), sugar, and the juice of lemon, with spice or mint; -- specifically named from the kind of spirit used; as rum punch, claret punch, champagne punch, etc. Milk punch, a sort of punch made with spirit, milk, sugar, spice, etc. -- Punch bowl, a large bowl i…
RATCHET n.
A mechanism composed of a ratchet wheel, or ratch, and pawl. See Ratchet wheel, below, and 2d Ratch. Ratchet brace (Mech.), a boring brace, having a ratchet wheel and pawl for rotating the tool by back and forth movements of the brace handle. -- Ratchet drill, a portable machine for working a drill by hand, consisting…