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; a receipt in full, which bars a further demand. You can produce acquittances For such a sum, from special officers. Shak.

To assume the office or character of; to play; to personate; as, to act the hero.

te per cent upon their value, as stated in their invoice, - - in opposition to a specific sum upon a given quantity or number; as, an ad valorem duty of twenty per cent.

As a prefix ad- assumes the forms ac-, af-, ag-, al-, an-, ap-, ar-, as-, at-, assimilating the d with the first letter of the word to which ad- is prefixed. It remains unchanged before vowels, and before d, h, j, m, v. Examples: adduce, adhere, adjacent, admit, advent, accord, affect, aggregate, allude, annex, appear,…

gment the quantity, enlarge the magnitude, or so as to form into one aggregate. Hence: To sum up; to put together mentally; as, to add numbers; to add up a column. Back to thy punishment, False fugitive, and to thy speed add wings. Milton. As easily as he can add together the ideas of two days or two years. Locke.…

A genus of ferns (Ophioglossum), whose seeds are produced on a spike resembling a serpent's tongue.

dition (Geom.), that kind of addition of two lines, or vectors, AB and BC, by which their sum is regarded as the line, or vector, AC.

The act of administering; government of public affairs; the service rendered, or duties assumed, in conducting affairs; the conducting of any office or employment; direction; management. His financial administration was of a piece with his military administration. Macaulay.

ark in hazardous enterprise; rashly daring; -- applied to persons. Bold deed thou hast presumed, adventurous Eve. Milton.

To summon; to call. [Obs.] Queen Katharine had privately prevailed with the pope to advoke the cause to Rome. Fuller.

Of or belonging to the summer; as, æstival diseases. [Spelt also estival.]

To spend the summer.

The state of torpidity induced by the heat and dryness of summer, as in certain snails; -- opposed to hibernation.

To make a show of; to put on a pretense of; to feign; to assume; as, to affect ignorance. Careless she is with artful care, Affecting to seem unaffected. Congreve. Thou dost affect my manners. Shak.

An attempt to assume or exhibit what is not natural or real; false display; artificial show. "An affectation of contempt." Macaulay. Affectation is an awkward and forced imitation of what should be genuine and easy, wanting the beauty that accompanies what is natural what is natural. Locke.

Given to false show; assuming or pretending to posses what is not natural or real. He is . . . too spruce, too affected, too odd. Shak.

One who affects, assumes, pretends, or strives after. "Affecters of wit." Abp. Secker.

To assess or reduce, as an arbitrary penalty or amercement, to a certain and reasonable sum. Amercements . . . were affeered by the judges. Blackstone.

hout loss or too great injury; as, A affords his goods cheaper than B; a man can afford a sum yearly in charity.

Formed by a collection of particulars into a whole mass or sum; collective.