A place where anything is kept in store; especially, a place where water is collected and kept for use when wanted, as to supply a fountain, a canal, or a city by means of aqueducts, or to drive a mill wheel, or the like.

A small intercellular space, often containing resin, essential oil, or some other secreted matter.

An underground rock formation containing oil and/or natural gas.

A man-made facility for the storage, regulation, and controlled release of water. Types of reservoirs include flood control, water supply, and power generation.

Chamber connected to the master cylinder (usually by hoses) and used for storing hydraulic fluid. ROTOR Alternative name for brake disc. RUN-OUT Rotors which are warped or out-of-true have excess "run-out", meaning the surface varies or wobbles as it rotates around a fixed point. Scrap Thickness The thickness at which a disc rotor must be discarded. Through wear and machining, a disc rotor becomes thinner over time. As a result it becomes less able to dissipate heat and more prone to warping. Scrap Thickness is usually determined by the vehicle manufacturer.

A chamber or vessel in which something is held ready for use, as the fluid reservoir of a brake master cylinder.

A chamber inserted under the scalp to collect spinal fluid, relieving pressure on the ventricles. When necessary a needle can be inserted to remove fluid.

a flat-bottomed cylindrical tank with a shell height equal to or smaller than its diameter

a large quantity of infectious microorganisms resident in animals other than man, potentially capable of being transmitted to humans.

Any person, plant, animal, insect, soil, or substance (such as water), or any combination of these, in which an infectious agent usually lives and multiplies, or which it depends primarily for survival

An alternate host or passive carrier of a pathogenic microorganism. This may be soil, animals, or humans.

A kind of host, one which carries the pathogen without harm to itself, and which serves as the source of infection for the other host organisms.

a large supply or stock of anything which may be rapidly put to use; a reserve.

a large or extra supply of something; "a reservoir of talent"

A place where a large supply of magma collects.

the total supply, or stock, of a substance

A source or place of residence for elements in a chemical cycle or hydrologic cycle.

a place where microorganisms are able to proliferate

a source of microorganisms

A part of the body that may contain HIV and that is not easily penetrated by drugs. Examples include macrophages, lymphocytes, the brain, and testes.

The reservoir is the receptacle that contains the ink in an inkjet system.

The container in a hydroponic system which holds nutrient solution in reserve for use.