See Also: Effectual(medicine)
effectual(dictionary)
effectual(dictionary)

Marangoni (iou) and effectual (oh)


Marangoni (iou)



Marangoni noun. M20.
[Carlo G. M. Marangoni (1840-1925), Italian physicist.]
Physics.
Marangoni effect, small-scale turbulence at a liquid interface owing to local variations in surface tension. Hence Marangoni instability, instability in a liquid interface associated with such variations. M20.
Marangoni number, a dimensionless number equal to the ratio of the surface tension gradient in a liquid to the product of viscous drag and the rate of heat diffusion. M20.

effectual (oh)



producing the result that was wanted or intended
-synonym effective effective
-opposite ineffectual ineffectual