Print | Email article to a friend | Last updated: March 31, 2015. Oxytocin is a hormone that acts on organs in the body (including the breast and uterus) and as a chemical messenger in the brain controlling key aspects of the reproductive system including childbirth and lactation, and aspects of human behaviour.
2. something that is exchanged. 3. (Banking & Finance) finance Also called: swap option or swaption a contract in which the parties to it exchange liabilities on outstanding debts, often exchanging fixed-interest-rate for floating-rate debts (debt swap), either as a means of managing debt or in trading (swap trading)
the exchange of a product, interest rate on a financial debt, or currency for another product, interest rate on a financial debt, or currency respectively: product swaps: individual A offers potatoes to individual B in exchange for a bicycle.