Medical Definition of MACROPHAGE. : a phagocytic tissue cell of the immune system that may be fixed or freely motile, is derived from a monocyte, functions in the destruction of foreign antigens (as bacteria and viruses), and serves as an antigen-presenting cellâsee histiocyte, mononuclear phagocyte system. a phagocytic tissue cell of the immune system that may be fixed or freely motile, is derived from a monocyte, functions in the destruction of foreign antigens (as bacteria and viruses), and serves as an antigen-presenting cell â compare histiocyte. â macÂ·roÂ·phagÂ·ic \Ëma-krÉ-Ëfa-jik\ adjective.
Definition of 'Commodity Funds'. Definition: Commodity funds are funds which basically invest in commodities, such as gold, oil or livestock. They also invest in commodity futures and options. Some commodity funds invest in the stocks of companies, like gold funds which invest in the stocks of gold mining companies. Description: As the name suggests, a commodity market covers various kinds of products such as gold, oil and various agri products, among others.
DEFINITION of 'Money Market Fund'. An investment whose objective is to earn interest for shareholders while maintaining a net asset value (NAV) of $1 per share. A money market fundâs portfolio is comprised of short-term (less than one year) securities representing high-quality, liquid debt and monetary instruments.Investors can purchase shares of money market funds through mutual funds, brokerage firms and banks. Next Up.EFINITION of 'Money Market Fund'. An investment whose objective is to earn interest for shareholders while maintaining a net asset value (NAV) of $1 per share. A money market fundâs portfolio is comprised of short-term (less than one year) securities representing high-quality, liquid debt and monetary instruments.