quartz crystal
https://w3id.org/framester/wn/wn30/instances/synset-quartz_crystal-noun-1 <https://w3id.org/framester/wn/wn30/schema/NounSynset>
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quartz crystal
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04032710-n
quartz crystal
103880499
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a thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency; used in crystal oscillators
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104032710