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A
a: move suffix indicating opposite face to be
turned in the same direction.
Adjust U-face: moves that are needed to put a
pattern in a certain direction before performing an algorithm
Air Jeff: Double turns separated by moves
done by the free hand, in which the direction of double turns
are alternated and performed without re-gripping.
Alexander's Gem: A 2x2x2 Octahedron, also
called a Gem or Okki, but with a color pattern reminiscent of
the Alexander's Star puzzle.
Alexander's Star: This puzzle is in the shape of a great
dodecahedron. As a puzzle it has 12 vertices which are the
axes of rotation. There are 30 moving pieces which have two
colors each. Each piece forms the edge between two vertices,
and five such edges join at each vertex.
Algorithm: An algorithm (pronounced AL-go-rith-um)
is a procedure or formula for solving a problem. The word
derives from the name of the mathematician, Mohammed ibn-Musa
al-Khwarizmi, who was part of the royal court in Baghdad and
who lived from about 780 to 850. Al-Khwarizmi's work is the
likely source for the word algebra as well.
Allan (TM): Lars Petrus' algorithm to permute
three last layer edges without any other effect on the cube
Antislice: Turning two opposite sides in the
opposite direction.
Arch: Arch seen on the inside of center
pieces on Rubik's Deluxe and new Oddzon cubes, creating a full
circle with the edge pieces
Arxon: Another term for Ideal. These cubes
from the 1980s had both BOY and RBG (BYO) color schemes, plus
adjusting screws.
AUF: Adjust U-face.
Average: Average time of middle 10
(discarding the fastest and the slowest) out of 12 consecutive
attempts.
Axle: The center piece of a Rubik's Cube that
holds all the pieces together
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