To join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate.
2
To sum up; to put together mentally; to add up.
to add numbers
[…]as easily as he can add together the ideas of two days or two years.1689 (indicated as 1690), [John Locke], An Essay Concerning Humane Understanding. […], London: […] Eliz[abeth] Holt, for Thomas Basset, […], →OCLC:
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I could add and subtract and multiply and divide, but I entered the wilderness when words became equations.2022 August 7, Alec Wilkinson, “Could learning algebra in my 60s make me smarter?”, in The Guardian, archived from the original on 22 Mar 2023:
3
To combine elements of (something) into one quantity.
to add a column of numbers
4
To give by way of increased possession (to someone); to bestow (on).
The Lord shall add to me another son.1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Genesis 30:24:
Back to thy punishment, False fugitive, and to thy speed add wings.1667, John Milton, “(please specify the page number)”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC:
5
To append (e.g. a statement); to say further information.
He added that he would willingly consent to the entire abolition of the tax1849–1861, Thomas Babington Macaulay, The History of England from the Accession of James the Second, volume (please specify |volume=I to V), London: Longman, Brown, Green, and Longmans, →OCLC, page 37:
"Bless your dear heart," she said, "I am sure I can tell you of a way to get back to Kansas." Then she added, "But, if I do, you must give me the Golden Cap."1900 May 17, L[yman] Frank Baum, chapter 23, in The Wonderful Wizard of Oz, Chicago, Ill.; New York, N.Y.: Geo[rge] M[elvin] Hill Co., →OCLC:
6
To intensify; to augment; to increase.
It adds to our anxiety.
I will add to your yoke1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, 1 Kings 12:14:
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Mostly, the microbiome is beneficial.[…]Research over the past few years, however, has implicated it in diseases from atherosclerosis to asthma to autism. Dr Yoshimoto and his colleagues would like to add liver cancer to that list.2013 June 29, “A punch in the gut”, in The Economist, volume 407, number 8842, pages 72–3:
7
Mathematics, Sciences To perform the arithmetical operation of addition.
In a typical week, 10 to 15 songs may be up for consideration as “adds” of new songs for the station's playlist.2006, David Baskerville, Music Business Handbook and Career Guide, page 370:
Effectiveness of their work is measured by the number of “adds” they receive on the airplay charts of major trades.2013, Russ Hepworth-Sawyer, From Demo to Delivery:
List the number of adds and multiplies for each of the forms (6) , (7), and (8).2004, C. K. Birdsall, A. B. Langdon, Plasma Physics via Computer Simulation, page 75:
3
Video games An additional enemy that joins a fight after the primary target.
When the player has fought the boss for one minute, two adds will arrive from the back and must be dealt with.
ADD
noun
1
Medicine, Pathology, SciencesAbbreviation, Initialism Initialism of attention deficit disorder.
2
Business, InsuranceAbbreviation, Initialism Initialism of accidental death and dismemberment.
Although not sought by QuesTech, the dismemberment portion of the policy was nonetheless issued as an integral part of Hartford’s standard ADD policy.1989, West's Federal Supplement, volume 713, page 958:
ADD Insurance: Also known as Accidental Death and Dismemberment policy, […]1989, David Frangiamore, How Insurance Companies Settle Cases, James Publishing, pages 4–110:
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You represent that the ADD Plan was established in 1987 to provide accidental death and disemberment insurance to ALPA members and certain ALPA employees.1993, Pension Plan Guide, Transfer Binder, Commerce Clearing House, page 871:
Life plus accidental death and dismemberment; disability income; in-hospital indemnity; major medical; ADD/250 high-limit coverage accidental loss of life, limbs, sight, speech, or hearing.March, 1997, American Bar Association Journal, page 444
Accidental Death and Dismemberment (ADD)1997, Philippine Financial Almanac, Ventures Unlimited, page 125:
We do not endorse a particular provider of ADD insurance.2003, Program Director’s Handbook, volume 21 / 29, AmeriCorps, page 12
3
A designation on prerecorded compact discs indicating that the contents were recorded in analog but mixed and mastered in digital.