cryoelectronics

noun

study or operation of electronic devices at very low temperatures

Wiktionary

noun

Etymology: Etymology tree Ancient Greek κρῠ́ος (krŭ́os)lbor. English cryo- Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus New Latin ēlectricusbor. English electric Proto-Indo-European *h₁ey- Proto-Indo-European *h₁éyti Proto-Hellenic *éimi Ancient Greek εἶμι (eîmi)der. English ion English electron ▲ Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic Old English -as Middle English -es English -s English -ics English electronics English cryoelectronics From cryo- + electronics.

the study, design and manufacture of electronic components that function at low temperatures; especially those that employ superconductivity