infravisible
adjEtymology From infra- + visible.
1
Partially or nearly visible.
- The infravisible stage is succeeded by other transition forms before the typical spirochetes develop.1935, American Journal of Syphilis, Gonorrhea and Venereal Diseases:
- These changes with the new formation of □vessels that accompany them seem to favor the development of the infravisible virus into the form of spirochetes.1936, Venereal disease information, page 215:
1 more example
- […] the opening up of new spaces is only possible in infravisible limbo or outer space: biopiracy, nanopiracy, and space piracy are arising or will arise.2013, Rudolphe Durand, The Pirate Organization: Lessons from the Fringes of Capitalism:
2
At the infrared end of the spectrum, lower in frequency than light visible to humans.
3
Fantasy Visible by means of infravision.