- selling goods at a price that just equals the additional cost of producing the last unit supplied.
- of or relating to goods produced and marketed at margin: marginal profits.
Origin of marginal
Examples from the Web for marginally
Yet, Arkansas had been marginally healthier than the states surrounding it.Arkansas’s Blue Collar Social Conservatives Don’t Know What’s Coming|Monica Potts|November 10, 2014|DAILY BEAST
Those drugs cost around $5,000 a week but are only marginally effective.
There are other survivors who live in marginally better conditions.
But not the ATF, which now receives only marginally more than it did in 2000 adjusted for inflation.
The curriculum has become only marginally less Eurocentric since then.
Such Quotations of Places to be marginally set down, as shall serve for the fit reference of one Scripture to another.Lectures on Bible Revision|Samuel Newth
Much that Albanian sources have claimed as newly arable almost certainly is marginally so.Area Handbook for Albania|Eugene K. Keefe
The Czech's motivation was mainly geopolitical and marginally economic (though it was presented differently).
The variety of design experiences is only marginally controlled by design principles.The Civilization of Illiteracy|Mihai Nadin
The EU's thinking was mainly economic and marginally geopolitical (though it was presented differently).