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‘Concurrent with this, the entire pectinirhomb becomes greatly protuberant along a large, thinwalled ridge spanning the incurrent and excurrent half rhombs.’
‘If you break a large piece of crystalline calcite, you are left with a regular, six-sided chunk of the mineral - a rhomb - which treats light in a peculiar way.’
‘In places pyrite framboids and polyhedra occur associated with the ferroan dolomite rhombs, the latter aligned as they would have been within the original calcite.’
‘Further on was another pocket, also in the ceiling; it was about 1.6 x 1.6 meters and completely lined with equant rhombs of calcite, each about 13 cm across.’
‘The indistinct boundaries between these dolomite rhombs and the calcite suggests that the latter has been partially dolomitized.’
‘Tiny adularia rhombs are also present on the matrix of a specimen showing an unusual association of wire gold with scheelite.’
‘Foliation-parallel quartz veins are cross-cut and extended along microfaults, the sense of offset indicating the same shear sense as indicated by the biotite rhombs.’
‘The interlocking, euhedral, rhombs of dolomite have an idiotopic texture.’
‘The basin is widely considered to be a classic example of a rhomb graben, although a firm consensus about the timing, direction and amount of strikeslip movement has yet to be reached.’
1.1A rhombus.
‘This emblem was like vertical rhomb or diamond with a horizontal line in the middle, or two triangles joined together.’
‘The first two vertex stars are made by using five of the thick rhombs, with the black vertices on the inside in the first set and on the outside in the second.’
‘Without the vertices marked, the two vertex stars look the same; however by following the rules it turns out the thin rhombs can only be tiled around them in certain ways.’
‘The space landscape emerges in surprising ways as the rhombs get placed.’
‘Only Lonnrot apprehends that the design of the plot is actually a rhomb.’
‘The unusual thecal plating, rhomb structure, and ambulacral organization - standard criteria for distinguishing rhombiferans - justify the recognition of a new genus.’
‘The picture above is made up of two shapes of rhombus or rhombs - that is, ‘pushed-over squares’ where each shape has all sides of the same length.’
‘Each of the vertex stars will appear infinitely often in any Penrose tiling, with the ratio of thick to thin rhombs at 1.618:1, the ‘golden ratio’ which has been considered beautiful in mathematics since ancient times.’
‘In brief, the game comes with 40 rhombs and 18 triangles which two players alternately place on a six-sided board with nine triangles on each side.’
‘The adenosine base frequency is represented by gray rhombs, cytosine frequency by black rectangles, guanine frequency by gray triangles, and thymine frequency by black circles.’
Origin
Early 19th century: from Latin rhombus (see rhombus).