chemical gradient
noun
A continuous increase or decrease in the concentration of a particular chemical substance found on passing from one point to another.
Origin
1930s; earliest use found in Proceedings of the Royal Society of London.
- opisthogastric
- opisthoglyph
- opisthoglyphic
- opisthoglyphous
- opisthognathous
- opisthograph
- opisthographic
- opisthorchiasis
- opisthosoma
- opisthosomal
- opisthotic
- opisthotonic
- opisthotonos
- opisthotonus
- opium
- opium alkaloid
- opiumate
- opium den
- opium dream
- opium habit
- opium joint
- opium lamp
- opiumless
- opium plant
- opium poppy