skew field
Suffocating with heat; oppressively hot; sultry.
(algebra, dated) A ring in which every nonzero element has a multiplicative inverse; division ring
(crystallography) The trapezohedron or tetragonal trisoctahedron, the form of the mineral leucite.
(music) A superposition of sine waves, separated by an octave, whose relative amplitude may be varied to give the illusion of a rising or falling note.
代数学では、任意の非零元が乗法逆元を持つ環は除算環（division ring）と呼ばれ、現代の文献では通常その用語が使われます。
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