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adumbration (ad´əmbrā´shən),

n a geometric lack of sharpness of the radiograph shadow. See also penumbra, geometric.
References in periodicals archive ?
And we may hope that the tradition of ethical natural law, from its adumbration by Sophocles in Antigone, through its definition by Aristotle, its Christian formulation by Aquinas (who justified political rebellion against intolerable tyranny), its secular restatement by such precursors of revolution as Voltaire and Diderot - who emphasized the natural rights that derive from natural law - to its modern invocation in the civil rights struggle by Martin Luther King, will revive to do dialectic battle with the heirs of Thrasymachus.
In any final assessment of Botero's purpose and intention in the Relations, the nature of the original assignment forced itself upon the ultimate composition and completion of his work, as it also prevails in concluding our own investigation here: the preeminence of the religious asserted itself, leaving Botero's civil excursions and his adumbration of incivilimento as a reminder of a not inconsequential ingredient operative in the imperialist program of Spanish colonialism.
Although liberals, such as Glazer and Moynihan, and radicals, such as Valentine, Alkalimat, Ladner, and Gutman disagree on the issue of whether Frazier's book deserves the status of a "classical work" of sociology, all of them conflate the issues of race, class, and culture and hold the book's primary importance stems from its adumbration of deficit theory--that is, the theory that attempts to explain why African Americans have fared less well in the United States of America than European ethnic minorities by arguing that the cultural damage inflicted on African Americans first by approximately two hundred years of slavery and secondly by almost another century of urbanization, has persisted to this day.
The end product of this course of semantic adumbration survives particularly vividly in certain of the terms registered in Chinese-English dictionaries from the turn of the century, i.
If Channing evinces an openness to the irreducible starkness of Milton's imaginative adumbration of central Puritan polarities, as Van Anglen brilliantly demonstrates that he does, it would seem that, instead of stressing Channing's ultimate conventionality, this openness ought to be celebrated as, at the least, a subconscious acknowledgment on Channing's part of the foreclosures of human possibility routinely effectuated by the Unitarian consensualism into which he did in the end retreat.
But some background to the cultures and social systems of the hill peoples is surely in order; indeed, in their Introduction to this book Boyes and Piraban attempt such an adumbration.
x) With this adumbration, he proceeds to offer an introduction to the philosophical issues surrounding rights, first taking a historical and then an analytical approach.
The answer is No--more on this below--but even the hint of an adumbration of a suspicion of "McCarthyite" leanings is sufficient to expel one from the ranks of civilized recollection, as Burnham learned to his cost.
Schmidt, but nothing by, say, Harry Levin, Ulrich Weisstein, Etiemble, or (except for one article) Rene Wellek and other familiar names-Steven Totosy's adumbration of the field would probably be unobjectionable to most people professing comparative literature.
For this reason, it deserves a great deal of attention indeed for its adumbration of a possible resolution of a century-old analytical dilemma.
Pregnant with the adumbration of significance, it avoids the inconvenience of issuing in any particular thought.