Nearly everyone who visits Four Corners Monument wants to take a photo of themselves standing in all four states at once. The other visitors were considerate about taking turns on the monument and allowing us to get good photos and we tried to do the same for them. We visited late in the afternoon on a Wednesday in October.
â¢ UROBILINOGEN (noun) The noun UROBILINOGEN has 1 sense: 1. a chromogen formed in the intestine from the breakdown of bilirubin; yields urobilins on oxidation; some is excreted in the feces and some is resorbed and excreted in bile or urine. Familiarity information: UROBILINOGEN used as a noun is very rare. Dictionary entry details.
Freebase(0.00 / 0 votes)Rate this definition: Carcinogen. A carcinogen is any substance, radionuclide, or radiation that is an agent directly involved in causing cancer. This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes.