Concentric (disambiguation)

Last updated

Concentric objects share the same center or axis.

Concentric may also refer to:

<i>Concentric</i> (album) album by Jennifer Gentle

Concentric is the sixth studio album by the Italian psychedelic rock band Jennifer Gentle, released in 2010 by A Silent Place.

Concentric Data Systems, Inc. was founded in December 1979 by John J. Henderson and Jonathan Sachs, both having left their jobs as system programmers at Data General Corporation. Originally, the company undertook a variety of software consulting projects for the Data General line of computers. In 1981, the company developed a spreadsheet product, CompuCalc, that ran on Data General hardware and was modeled after VisiCalc.

See also

Related Research Articles

Rock most often refers to:

MG, Mg, or mg and variants may refer to:

<i>The Monty Python Matching Tie and Handkerchief</i> 1973 studio album by Monty Python

The Monty Python Matching Tie and Handkerchief is the fourth album by the comedy group Monty Python, released in 1973. Most of the material was newly written for the album along with a handful of sketches from the third series of Flying Circus, one from the second ("Bruces") and another from the first. The team were once again joined by Neil Innes, who provided a trio of rock music parodies for "The Background To History". The album was famously mixed and edited in a garden shed belonging to the father of producer Andre Jacquemin.

Concentric castle fortification

A concentric castle is a castle with two or more concentric curtain walls, such that the inner wall is higher than the outer and can be defended from it. The word concentric does not imply that these castles were circular; in fact, if taken too literally, the term is quite misleading. The layout was square where the terrain permitted, or an irregular polygon where curtain walls of a spur castle followed the contours of a hill.

Roundel Identification symbol, commonly used in aircraft insignia and heraldry, usually of circular design

A roundel is a circular disc used as a symbol. The term is used in heraldry, but also commonly used to refer to a type of national insignia used on military aircraft, generally circular in shape and usually comprising concentric rings of different colours. Other symbols also often use round shapes.

<i>Monty Pythons Previous Record</i> 1972 studio album by Monty Python

Monty Python's Previous Record is the third album by Monty Python. Released in 1972, it marked the group's first collaborations with regular sound engineer Andre Jacquemin and musician Neil Innes. It contains many sketches from the third series of Flying Circus, one from the second as well as an abridged version of "The Tale of Happy Valley" from the second German show. The album was released midway through the broadcast of Series 3, whose sketches featured on the album were all from its first half, with the exception of "Dennis Moore" which aired a month later and therefore made its debut here. The oldest sketch on the album, Eric Idle's "Radio Quiz Game", dates back to I'm Sorry I'll Read That Again where it was performed by Graeme Garden - Idle having subsequently performed the sketch himself on Do Not Adjust Your Set. The rest of the material was specially written for the album.

Ventricular hypertrophy (VH) is thickening of the walls of a ventricle of the heart. Although left ventricular hypertrophy (LVH) is more common, right ventricular hypertrophy (RVH), as well as concurrent hypertrophy of both ventricles can also occur.

Celestial may refer to:

Polyconic projection class

Polyconic can refer either to a class of map projections or to a specific projection known less ambiguously as the American polyconic projection. Polyconic as a class refers to those projections whose parallels are all non-concentric circular arcs, except for a straight equator, and the centers of these circles lie along a central axis. This description applies to projections in equatorial aspect.

Balo concentric sclerosis demyelinating disease characterized by the fact that the demyelinated tissues form concentric layers

Baló concentric sclerosis is a disease in which the white matter of the brain appears damaged in concentric layers, leaving the axis cylinder intact. It was described by József Mátyás Baló who initially named it "leuko-encephalitis periaxialis concentrica" from the previous definition, and it is currently considered one of the borderline forms of multiple sclerosis.

<i>Rota</i> (papal signature)

The rota is one of the symbols used by the Pope to authenticate documents such as papal bulls. It is a cross inscribed in two concentric circles. Pope Leo IX was the first pope to use it.

Concentric objects

In geometry, two or more objects are said to be concentric, coaxal, or coaxial when they share the same center or axis. Circles, regular polygons and regular polyhedra, and spheres may be concentric to one another, as may cylinders.

Eyewall replacement cycle

Eyewall replacement cycles, also called concentric eyewall cycles, naturally occur in intense tropical cyclones, generally with winds greater than 185 km/h (115 mph), or major hurricanes. When tropical cyclones reach this intensity, and the eyewall contracts or is already sufficiently small, some of the outer rainbands may strengthen and organize into a ring of thunderstorms—an outer eyewall—that slowly moves inward and robs the inner eyewall of its needed moisture and angular momentum. Since the strongest winds are in a cyclone's eyewall, the tropical cyclone usually weakens during this phase, as the inner wall is "choked" by the outer wall. Eventually the outer eyewall replaces the inner one completely, and the storm may re-intensify.

A concentric crater fill is a landform where the floor of a crater is mostly covered with a large number of parallel ridges. It is common in the mid-latitudes of Mars, and is widely believed to be caused by glacial movement. Areas on Mars called Deuteronilus Mensae and Protonilus Mensae contain many examples of concentric crater fill.

Bailey (castle) courtyard enclosed by a curtain wall

A bailey or ward in a fortification is a courtyard enclosed by a curtain wall. In particular, an early type of European castle was known as a motte-and-bailey. Castles can have more than one bailey. Their layout depends both on the local topography and the level of fortification technology employed, ranging from simple enclosures to elaborate concentric defences. In addition to the gradual evolution of more complex castle plans, there are also significant differences in regional traditions of military architecture regarding the subdivision into baileys.

Terrain softening

The landscape polewards of around 30 degrees latitude on Mars has a distinctively different appearance to that nearer the equator, and is said to have undergone terrain softening. Softened terrain lacks the sharp ridge crests seen near the equator, and is instead smoothly rounded. This rounding is thought to be caused by high concentrations of water ice in soils. The term was coined in 1986 by Steve Squyres and Michael Carr from examining imagery from the Viking missions to Mars.

Brain terrain terrain on Mars

Brain terrain, also called knobs-brain coral and brain coral terrain, is a feature of the Martian surface, consisting of complex ridges found on lobate debris aprons, lineated valley fill and concentric crater fill. It is so named because it suggests the ridges on the surface of the human brain. Wide ridges are called closed-cell brain terrain, and the less common narrow ridges are called open-cell brain terrain. It is thought that the wide closed-cell terrain contains a core of ice, and when the ice disappears the center of the wide ridge collapses to produce the narrow ridges of the open-cell brain terrain. Shadow measurements from HiRISE indicate the ridges are 4-5 meters high. Brain terrain has been observed to form from what has been called an "Upper Plains Unit." The process begins with the formation of stress cracks. The upper plains unit fell from the sky as snow and as ice coated dust.

<i>A Tot Jazz/2</i> album

A Tot Jazz/2 is an album by pianist Tete Montoliu recorded in 1965 and originally released on the Spanish label, Concentric.

<i>A Tot Jazz</i> album

A Tot Jazz is the debut album by pianist Tete Montoliu recorded in 1965 and originally released on the Spanish label, Concentric.

<i>Concentric Circles</i> (Kenny Barron album) 2018 studio album by Kenny Barron

Concentric Circles is a studio album by American jazz pianist Kenny Barron. The record was released on May 4, 2018 via Blue Note label.