- annular area
- circular area, ring-shape area
English contemporary dictionary. 2014.
annular area
Look at other dictionaries:
annular rings — round or oval opacities surrounding a translucent area in a radiograph of the lung, indicative of cavitation in pulmonary tuberculosis. Called also pleural rings … Medical dictionary
Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting … Wikipedia
Gas holder — A gasometer, or gas holder, is a large container where natural gas or town gas is stored near atmospheric pressure at ambient temperatures. The volume of the container follows the quantity of stored gas, with pressure coming from the weight of a… … Wikipedia
scotoma — 1. An isolated area of varying size and shape, within the visual field, in which vision is absent or depressed. 2. A blind spot in psychological awareness. [G. skotoma, vertigo, fr. skotos, darkness] absolute s. a s. in which there is no… … Medical dictionary
Magnetic confinement fusion — TCV inner view, with graphite clad torus Magnetic confinement fusion is an approach to generating fusion power that uses magnetic fields to confine the hot fusion fuel in the form of a plasma. Magnetic confinement is one of two major branches of… … Wikipedia
Mitral valve — Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (Mitral valve labeled at center right.) … Wikipedia
Combustor — Flame stabilized by cyclone. A combustor is a component or area of a gas turbine, ramjet, or scramjet engine where combustion takes place. It is also known as a burner, combustion chamber or flame holder. In a gas turbine engine, the combustor or … Wikipedia
Solar eclipse — A solar eclipse occurs when the Moon passes between the Sun and the Earth so that the Sun is wholly or partially obscured. This can only happen during a new moon, when the Sun and Moon are in conjunction as seen from the Earth. At least two and… … Wikipedia
Focke-Wulf Fw 190 — infobox Aircraft name =Fw 190 type =Fighter manufacturer = Primarily Focke Wulf Flugzeugbau AG, but also Ago, Arado, Fieseler, Mimetall, Norddeutsche Dornier and others caption = Fw 190 A designer =Kurt Tank first flight =1 June 1939 introduced… … Wikipedia
Eyewall replacement cycle — Concentric eyewalls seen in Hurricane Katrina as it travels west through the Gulf of Mexico. Eyewall replacement cycles, also called concentric eyewall cycles, naturally occur in intense tropical cyclones, generally with winds greater than… … Wikipedia
