addition

(redirected from additions)
Also found in: Dictionary, Thesaurus, Legal, Idioms, Encyclopedia.

addition

Etymology: L, additio, something added
a chemical reaction in which two complete molecules combine to form a new product, usually by attachment to carbon atoms at a double or triple bond of one of the molecules.

addition

(ă-di′shŏn) [L. addere, to add]
In chemistry, a reaction in which two substances unite without loss of atoms or valence.
References in classic literature ?
The packers, of course, had spies in all the unions, and in addition they made a practice of buying up a certain number of the union officials, as many as they thought they needed.
To be sure it is; and, indeed, it strikes me that they can want no addition at all.
In addition, I had always a most earnest desire to know how to distinguish the true from the false, in order that I might be able clearly to discriminate the right path in life, and proceed in it with confidence.
In addition, a large number of people must have walked, in spite of the heat of the day, from Woking and Chertsey, so that there was altogether quite a considerable crowd--one or two gaily dressed ladies among the others.
She had not supposed before that anything could ever suit her like the old grey pony; but her delight in Edmund's mare was far beyond any former pleasure of the sort; and the addition it was ever receiving in the consideration of that kindness from which her pleasure sprung, was beyond all her words to express.
In addition, when it became evident that the air must be fought for, the air-sailors were provided with rifles with explosive bullets of oxygen or inflammable substance, but no airship at any time ever carried as much in the way of guns and armour as the smallest gunboat on the navy list had been accustomed to do.
In addition to the usual routine of teaching, I taught the pupils to comb their hair, and to keep their hands and faces clean, as well as their clothing.
As it was, the place was a zoo, and free at that; for, in addition to the animals he owned and trained and bought and sold, a large portion of the business was devoted to boarding trained animals and troupes of animals for owners who were out of engagements, or for estates of such owners which were in process of settlement.
And, only a week since, I yielded to temptation and made an addition to my picture-gallery.
Mercury, pleased with his honesty, gave him the golden and silver axes in addition to his own.
And for fear that the idea may still lurk in some minds that my preceding years of drinking were the cause of my disabilities, I here point out that my Japanese cabin boy, Nakata, still with me, was rotten with fever, as was Charmian, who in addition was in the slough of a tropical neurasthenia that required several years of temperate climates to cure, and that neither she nor Nakata drank or ever had drunk.
With the suppression of the socialist publishing houses, his meagre royalties ceased, and he was hard-put to make a living; for he had to make a living in addition to all his other labor.