quartz-crystal
41quartz — /kwɔts / (say kwawts) noun 1. one of the commonest minerals, silicon dioxide, SiO2, having many varieties which differ in colour, lustre, etc., occurring in crystals (rock crystal, amethyst, citrine, etc.) or massive (agate, bloodstone,… …
42quartz plate — /ˈkwɔts pleɪt/ (say kwawts playt) noun a carefully cut quartz crystal which is piezoelectrically active. See crystal (def. 11) …
43quartz oscillator — noun an oscillator that produces electrical oscillations at a frequency determined by the physical characteristics of a piezoelectric quartz crystal • Syn: ↑crystal oscillator • Hypernyms: ↑oscillator …
44crystal ball — {n.} A ball, usually made of quartz crystal (glass) that is used by fortune tellers. * /The fortune teller at the fair looked into her crystal ball and told me that I would take a long trip next year./ 2. Any means of predicting the future. * /My …
45crystal ball — {n.} A ball, usually made of quartz crystal (glass) that is used by fortune tellers. * /The fortune teller at the fair looked into her crystal ball and told me that I would take a long trip next year./ 2. Any means of predicting the future. * /My …
46quartz — noun Etymology: German Quarz Date: circa 1631 1. a mineral consisting of silicon dioxide occurring in colorless and transparent or colored hexagonal crystals or in crystalline masses 2. a quartz crystal that when placed in an electric field… …
47crystal\ ball — noun A ball, usually made of quartz crystal (glass) that is used by fortune tellers. The fortune teller at the fair looked into her crystal ball and told me that I would take a long trip next year. 2. Any means of predicting the future. My… …
48quartz clock — noun Any timepiece that makes use of the piezoelectric property of a quartz crystal …
49quartz clock — clock which uses a quartz crystal in order to keep proper time …
50quartz clock — (or watch) noun a clock (or watch) regulated by vibrations of an electrically driven quartz crystal …