Progesterone is a sex hormone produced in the ovaries. Low levels of progesterone can lead to infertility, uterine bleeding, and other complications. Read more.
Definition of hardware for Students. 1 : things (as tools, cutlery, or parts of machines) made of metal. 2 : equipment or parts used for a particular purpose The computer system needs hardware such as monitors and keyboards.
1 Computer hardware, the collection of physical elements that comprise a computer system. 2  Networking hardware, devices facilitating the use of a computer network. 3  Electronic hardware, interconnected electronic components.  Electronic component, a basic electronic element.