[krahy-uh-jen-iks] 
) | the branch of physics that deals with very low temperatures. |
| cry·o·gen·ics (krī'ə-jěn'ĭks) n. (used with a sing. or pl. verb) The production of low temperatures or the study of low-temperature phenomena. Also called cryogeny. |
The branch of technology concerned with the behavior of materials at very low temperatures, particularly temperatures near absolute zero.