| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷- noun
: a chemical reaction in which the rate of reaction is proportional to the concentration of each of two reacting molecules — compare order of a reaction
| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷- noun
: a chemical reaction in which the rate of reaction is proportional to the concentration of each of two reacting molecules — compare order of a reaction
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012