See Also: repunit(dictionary)

metacetone (iou) and repunit (iou)


metacetone (iou)



metacetone noun. M19.
[from MET(A- + ACETONE.]
Chemistry. A colourless flammable liquid ketone, (C2H5)2CO, obtained by distillation of sugar in excess lime; pentan-3-one.

repunit (iou)



repunit noun. M20.
[from repeated unit.]
Math. A number consisting of a sequence of 1s or the single digit 1.