See Also: Lucas(dictionary)
Lucas' groove(medicine)
Lucas (as used in expressions)(encyclopedia)
Lucas, Robert E., Jr.(encyclopedia)
Lucas, George(encyclopedia)
Lucas, Richard(medicine)
Lucas, George(dictionary)
Cranach, Lucas, the Elder(encyclopedia)
AJ LUCAS Group Limited(finance)
Lucas (Huyghszoon) van Leyden(encyclopedia)

Lucas (iou)



Lucas noun. M20.
[F. edouard A. Lucas (1842-91), French mathematician.]
Math. Lucas sequence, Lucas series, the sequence of integers 1, 3, 4, 7, . . . , formed in the same way as the Fibonacci numbers; a generalization of this series and the Fibonacci series, in which the nth term un=pun-1-qun-2 (where p and q are constants); Lucas number, a number of the Lucas series.