A system used to determine the result of an election based on the preferences expressed by voters.

feudalism

(physiology) A control system of ductless glands that secrete hormones which circulate via the bloodstream to affect cells within specific organs.

A physical system for organizing documents, as in a library or office. / (computing) A method of organizing blocks of data on a storage device into files and directories.

(geometry, mathematical analysis) A method of representing the position of any individual point in a space of given dimensionality as a tuple of numerical coordinates.

(anatomy) In mammals, including humans, a network of lymph vessels and lymph nodes that transport fluid, fats, proteins, and lymphocytes to the bloodstream as lymph, and remove microorganisms and other debris from tissues.

(computing) A system allowing hardware and software from different manufacturers to be used together seamlessly. / (physics) A system that can exchange both matter and energy with its surroundings.

The practice of working or travelling together with at least one other person, especially when undertaking something potentially risky or hazardous.

An organ system that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses, and initiates actions.

(anatomy, immunology) The system that differentiates self from non-self and protects the body from foreign substances and pathogenic organisms by producing an immune response. It includes organs such as the thymus, the spleen and lymph nodes; tissue such as bone marrow, and lymphoid tissues such as the tonsils; cells such as lymphocytes including the B cells and T cells, and cell products such as antibodies.