Pitch-black
[pich-blak] /ˈpɪtʃˈblæk/
adjective
1.
extremely black or dark as pitch:
a pitch-black night.
adjective
1.
extremely dark; unlit: the room was pitch-black
2.
of a deep black colour
Read Also:
- Pitchblende
[pich-blend] /ˈpɪtʃˌblɛnd/ noun, Mineralogy. 1. a massive variety of uraninite, occurring in black pitchlike masses: a major ore of uranium and radium. /ˈpɪtʃˌblɛnd/ noun 1. a blackish mineral that is a type of uraninite and occurs in veins, frequently associated with silver: the principal source of uranium and radium. Formula: UO2 n. also pitch-blende, 1770, […]
- Pitch-chain
noun, Machinery. 1. .
- Pitch-chisel
noun, Masonry. 1. a broad-edged chisel for cutting plane surfaces on stones.
- Pitch-circle
noun, Machinery. 1. an imaginary circle within the profiles of the teeth of a gear, such that it rotates against a similar circle rotating at the same rate on a meshing gear. noun 1. an imaginary circle passing through the teeth of a gearwheel, concentric with the gearwheel, and having a radius that would enable […]
- Pitch-cone
noun, Machinery. 1. See under . noun 1. (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.