In anatomical terms, an afferent is a vessel or other conduit that brings substances towards a central area, which is often a major organ like the brain or the heart. It is the opposite of an efferent vessel, which carries substances away from these central locations.
The system of imperial units or the imperial system (also known as British Imperial) is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced.
adjective. The definition of imperial is something magnificent, domineering or related to an empire. 1  A royal government with control over an empire is an example of an imperial government.2  A person with a domineering and controlling manner is an example of someone who would be described as having an imperial personality.he definition of imperial is something magnificent, domineering or related to an empire. 1  A royal government with control over an empire is an example of an imperial government. 2  A person with a domineering and controlling manner is an example of someone who would be described as having an imperial personality.