| cryogenic | <radiobiology> Loosely, very cold. Used to describe systems at very low temperatures. Superconducting magnetic field coils currently need to operate at cryogenic temperatures (for example, liquid helium at 4 Kelvin). Origin: Gr. Gennan = to produce (09 Oct 1997) |
|---|---|
| cryogenics | The science concerned with the production and effects of very low temperatures, particularly temperatures in the range of liquid helium (<4.25 K). Origin: cryo-+ G. -gen, producing (05 Mar 2000) |