operation (n.)
effect, force, influence, power
AC IV.xv.26[Cleopatra to Antony] If knife, drugs, serpents, have / Edge, sting, or operation
E3 II.i.404[Warwick to Countess] can one drop of poison harm the sea, / Whose hugy vastures can digest the ill / And make it lose his operation?
KL I.i.111[Lear to Cordelia] By all the operation of the orbs / From whom we do exist
RJ III.i.8[Mercutio to Benvolio, of a fellow in a tavern] by the operation of the second cup draws him on the drawer

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