- Attention Deficit Disorder, see also :w:Attention-Deficit_Hyperactivity_Disorder, article about ADD in Wikipedia
- Accidental Death and Dismemberment
- A designation on prerecorded compact discs indicating that the contents were recorded in analog but mixed and mastered in digital; compare AAD, DAD, DDD.
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Full Definition of ADD
Etymology: Latin addere; ad + dare to give, put. Compare date, do.
- (transitive) To give by way of increased possession (to any one); to bestow (on).
- The Lord shall to me another son. - Genesis, 30:24
- (transitive) 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.
- Back to thy punishment, False fugitive, and to thy speed wings. - w:John Milton, John Milton
- As easily as he can together the ideas of two days or two years. - John Locke
- (transitive) To append, as a statement; to say further.
- He added that he would willingly consent to the entire abolition of the tax. - William Macaulay
- (intransitive) To make an addition. To add to, to augment; to increase; as, it adds to our anxiety.
- I will to your yoke. - 1 Kings 12:14
- (intransitive) (math) To perform the arithmetical operation of addition; as, he adds rapidly.
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Full Definition of add