occult blood n.
Blood that is present in amounts too small to be seen and can be detected only by chemical analysis or microscopic examination.
[uh-kuhlt, ok-uhlt] /əˈkʌlt, ˈɒk ʌlt/ adjective 1. of or relating to magic, astrology, or any system claiming use or knowledge of secret or supernatural powers or agencies. 2. beyond the range of ordinary knowledge or understanding; mysterious. 3. secret; disclosed or communicated only to the initiated. 4. hidden from view. 5. 6. Medicine/Medical. present in […]
- Occult fracture
occult fracture n. A fracture that does not appear in x-rays, although the bone shows new bone formation within three or four weeks of fracture.
- Occult hydrocephalus
occult hydrocephalus n. See normal pressure hydrocephalus.
noun, Navigation. 1. a beacon having a light covered briefly at regular intervals.