Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Principally \Prin"ci*pal*ly\, adv. In a principal manner; primarily; above all; chiefly; mainly.
Douglas Harper's Etymology Dictionary
Wiktionary
adv. In a primary manner; pertaining to the principal of a matter.
WordNet
adv. for the most part; "he is mainly interested in butterflies" [syn: chiefly, primarily, mainly, in the main]
Usage examples of "principally".
Thus, if not the whole truth, it is yet a large part of it, that the Heathen Pantheon, in its infinite diversity of names and personifications, was but a multitudinous, though in its origin unconscious allegory, of which physical phenomena, and principally the Heavenly Bodies, were the fundamental types.
Our assumptions had been based principally on how the anthrax bacterium acted in settings that were almost preindustrial--before most buildings were air conditioned, before technology allowed us to sort mail with the force of air, and before we had advanced medical technologies to help us stabilize patients and make more definitive diagnoses.
Only hardy plants survived on dunes, principally the tough marram grass that is the essential ingredient for stabilizing them.
These shistose pyrites being composed principally of coal, flint, alumina, and sulphuret of iron--the latter in excess--it was necessary to separate the sulphuret of iron, and transform it into sulphate as rapidly as possible.
The sensible elements of the sacraments are called words by way of a certain likeness, in so far as they partake of a certain significative power, which resides principally in the very words, as stated above.
If they had any he did not learn them, for their conversation was devoted principally to discussing what they had done to the Sparling show and what they would do further before they had finished with this business.
The long tail too is against its resemblance to the hedgehogs, which rests principally on its spiny pelage.
The cork oak, Quercus suber, grows either singly among other trees or in groups, principally in the southern parts of the island.
The viral vector has a very broad-spectrum transferase used principally by terraformers tinkering with the zygotes of exotic animals.
She had not forgotten about Pyson or Traunt Rowan, but she had focused her attention principally on Shadea.
Except for the oak-grown fringes, the growth was principally tall, old pines, unbranching for many feet above road level.
Except for the oak-grown fringes, the growth appeared to be principally tall old pines, unbranching for many feet above road level, and the wan moonlight filtered through the needled branches high above, making for dim visibility.
Philosophers are absurd from many causes, but principally from laying out unthriftily their distinctions.
Bailie Weezle was a man no overladen with worldly wisdom, and had been chosen into the council principally on account of being easily managed.
It was in the courtrooms of Massachusetts and on the printed page, principally in the newspapers of Boston, that Adams had distinguished himself.