OPEN a.
roduced by an open string; as, an open tone. The open air, the air out of doors. -- Open chain. (Chem.) See Closed chain, under Chain. -- Open circuit (Elec.), a conducting circuit which is incomplete, or interrupted at some point; -- opposed to an uninterrupted, or Ant: closed circuit. -- Open communion, communion…
PATTERN n.
and in several parts, so as to be removed from the mold without injuring it. Pattern box, chain, or cylinder (Figure Weaving), devices, in a loom, for presenting several shuttles to the picker in the proper succession for forming the figure. -- Pattern card. (a) A set of samples on a card. (b) (Weaving) One of the per…
PENAL a.
punishment; used as a means of punishment; as, a penal colony or settlement. "Adamantine chains and penal fire." Milton. Penal code (Law), a code of laws concerning crimes and offenses and their punishment. -- Penal laws, Penal statutes (Law), laws prohibited certain acts, and imposing penalties for committing them.…
PITCH n.
wheel by the diameter of its pitch circle in inches; as, 4 pitch, 8 pitch, etc. -- Pitch chain, a chain, as one made of metallic plates, adapted for working with a sprocket wheel. -- Pitch line, or Pitch circle (Gearing), an ideal line, in a toothed gear or rack, bearing such a relation to a corresponding line in ano…