Term: crystal microphone: a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage
Candidate hypernym: microphone: device for converting sound waves into electrical energy → 1
Candidate hypernym: ringgit: the basic unit of money in Malaysia; equal to 100 sen → 0
Candidate hypernym: show-stopper: something that is strikingly attractive or has great popular appeal → 0
Candidate hypernym: doctor of music: a doctor's degree in music → 0
Candidate hypernym: petrolatum gauze: gauze saturated with petrolatum → 0
Candidate hypernym: double take: a delayed reaction indicating surprise → 0
Candidate hypernym: switchblade: a pocketknife with a blade that springs open at the press of a button → 0
Candidate hypernym: informant: a person who supplies information → 0
Candidate hypernym: boarhound: large hound used in hunting wild boars → 0
Candidate hypernym: sonogram: an image of a structure that is produced by ultrasonography (reflections of high-frequency sound waves); used to observe fetal growth or to study bodily organs → 0
Candidate hypernym: microevolution: evolution resulting from small specific genetic changes that can lead to a new subspecies → 0