lev-i-gate (lev'i gayt ) v.t. <-gat-ed, -gat-ing>
1. to rub, grind, or reduce to a fine
powder, with or without the addition of
a liquid.
[1605-15; < L levigatus, ptp. of levigare to
smooth, pulverize = lev (is) smooth + -igare v.
suffix (see FUMIGATE)]
Derived words
--lev i-ga'tion, n

e-lu-vi-a-tion (i lue vee ay'shuhn) n.
1. the movement through the soil of
materials brought into suspension or
dissolved by the action of water.
[1925-30]
e-lu-tri-ate (i lue'tree ayt ) v.t. <-at-ed, -at-ing>
1. to purify by washing and straining or
decanting.
2. to separate the light and heavy particles
of (a substance) by washing.
[1725-35; < L elutriatus, ptp. of elutriare to
rinse in a vat]
Derived words
--e-lu tri-a'tion, n.