| ad- |
|
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. |
| add |
verb t. |
To give by way of increased possession (to any one); to bestow (on)., To join or unite, as one thing to another, or as several particulars, so as to increase the number, augment 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., To append, as a statement; to say further., To make an addition. To add to, to augment; to increase; as, it adds to our anxiety., To perform the arithmetical operation of addition; as, he adds rapidly. |