Drainage basin. Example of a drainage basin. The dashed line is the main water divide of the hydrographic basin. A drainage basin or catchment area is any area of land where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water.
Word Origin and History for monochrome Expand. n. 1660s, painting or drawing done in different tints of a single color, from Greek monochromos of a single color, from monos single, alone (see mono-) + khroma (genitive khromatos) color, complexion, skin (see chroma). As an adjective from 1849. Photographic sense is recorded from 1940.
monogenic. adj. 1. (Genetics) genetics of or relating to an inherited character difference that is controlled by a single gene.2. (Biology) (of animals) producing offspring of one sex. (ËmÉn ÉËdÊÉn Éªk).onogenic. adj. 1. (Genetics) genetics of or relating to an inherited character difference that is controlled by a single gene. 2. (Biology) (of animals) producing offspring of one sex. (ËmÉn ÉËdÊÉn Éªk).