Ad- pref. 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, etc. It becomes ac- before qu, as in acquiesce.
... "Ad-Visor! Do you expect me to blight my budding career by a poisonous pun like that?" demanded Average Jones with a ... — Average Jones • Samuel Hopkins Adams
... exclaimed; 'what a lot you city fellers with l'arnin' into you do know! Ten thousand dollars an acre! Ad-ver-ti-sin'! What an idee! I guess I'll buy the land on a morgidge right away. Hee, hee, hee—it's a first-rate notion—and I a-dopt it. Mister, if you want a drink o' cider, you can get it at that are red house you ... — Continental Monthly, Vol. II. July, 1862. No. 1. • Various
... and manufacture of the rags from which the paper is made and the careless or intentional admixture of linen with cotton rags. The comparatively modern method of bleaching with oxymuriate of lime, or chlorine in substance, with the ad-libitum and unacknowledged admixture of gypsum (to give weight and firmness to the paper) are, I believe, the true causes of the defects in question, which are to be found more in modern books and prints than in those of an ... — Notes & Queries, No. 41, Saturday, August 10, 1850 • Various
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