| English Dictionary |
ADDITION
| Pronunciation (US): |  | (GB): | |
| IPA (US): |  |
Dictionary entry overview: What does addition mean?
• ADDITION (noun)
The noun ADDITION has 6 senses:
1. a component that is added to something to improve it
2. the act of adding one thing to another
3. a quantity that is added
4. something added to what you already have
5. a suburban area laid out in streets and lots for a future residential area
6. the arithmetic operation of summing; calculating the sum of two or more numbers
Familiarity information: ADDITION used as a noun is common.
Dictionary entry details
Sense 1
Meaning:
A component that is added to something to improve it
Classified under:
Nouns denoting man-made objects
Synonyms:
Context example:
the addition of cinnamon improved the flavor
Hypernyms ("addition" is a kind of...):
component; constituent; element (an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system)
Hyponyms (each of the following is a kind of "addition"):
additive (something added to enhance food or gasoline or paint or medicine)
afterthought (an addition that was not included in the original plan)
annex; annexe; extension; wing (an addition that extends a main building)
attachment (a supplementary part or accessory)
elongation; extension (an addition to the length of something)
Derivation:
add (bestow a quality on)
Sense 2
Meaning:
The act of adding one thing to another
Classified under:
Nouns denoting acts or actions
Context example:
the addition of a leap day every four years
Hypernyms ("addition" is a kind of...):
increase; step-up (the act of increasing something)
Hyponyms (each of the following is a kind of "addition"):
retrofit (the act of adding a component or accessory to something that did not have it when it was manufactured)
fluoridation; fluoridisation; fluoridization (the addition of a fluoride to the water supply (to prevent dental decay))
Antonym:
subtraction (the act of subtracting (removing a part from the whole))
Derivation:
add (make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of)
Sense 3
Meaning:
A quantity that is added
Classified under:
Nouns denoting quantities and units of measure
Synonyms:
Context example:
they recorded the cattle's gain in weight over a period of weeks
Hypernyms ("addition" is a kind of...):
indefinite quantity (an estimated quantity)
Hyponyms (each of the following is a kind of "addition"):
accretion (something contributing to growth or increase)
Sense 4
Meaning:
Something added to what you already have
Classified under:
Nouns denoting possession and transfer of possession
Synonyms:
accession; addition
Context example:
he was a new addition to the staff
Hypernyms ("addition" is a kind of...):
acquisition (something acquired)
Sense 5
Meaning:
A suburban area laid out in streets and lots for a future residential area
Classified under:
Nouns denoting spatial position
Hypernyms ("addition" is a kind of...):
suburb; suburban area; suburbia (a residential district located on the outskirts of a city)
Sense 6
Meaning:
The arithmetic operation of summing; calculating the sum of two or more numbers
Classified under:
Nouns denoting acts or actions
Synonyms:
Context example:
four plus three equals seven
Hypernyms ("addition" is a kind of...):
arithmetic operation (a mathematical operation involving numbers)
Derivation:
add (make an addition by combining numbers)
add (determine the sum of)
Context examples
I was surgeon successively in two ships, and made several voyages, for six years, to the East and West Indies, by which I got some addition to my fortune.
(Gulliver's Travels into several remote nations of the world, by Jonathan Swift)
In addition, GM-CSF promotes antibody-dependent cellular cytotoxicity (ADCC), and increases interleukin-2-mediated lymphokine-activated killer cell function.
(Allogeneic GM-CSF-secreting Lethally Irradiated Whole Melanoma Cell Vaccine, NCI Thesaurus)
In addition, IL13-zetakine redirected CTLs induce production of certain cytokines.
(Allogeneic IL13-Zetakine/HyTK-Expressing-Glucocorticoid Resistant Cytotoxic T Lymphocytes GRm13Z40-2, NCI Thesaurus)
However, the addition of donor T-cells can lead to graft-versus-host disease (GVHD).
(Allogeneic T-Lymphocytes BPX-501, NCI Thesaurus)
The eight months had been well spent, and, in addition to what he had learned of right speaking and high thinking, he had learned much of himself.
(Martin Eden, by Jack London)
However, even the addition of allodepleted donor T cells can lead to graft-versus-host disease (GVHD).
(Allodepleted Haploidentical T Cells-expressing Inducible Caspase 9, NCI Thesaurus)
You will like the news—Mars will be beautifully supportive, and in addition, the Red Planet will be based in your work-a-day sector.
(AstrologyZone.com, by Susan Miller)
In cancer therapy, a drug or substance used in addition to the primary therapy.
(Adjunct agent, NCI Dictionary)
In addition, this cancer-cell based vaccine may induce a cytotoxic T lymphocyte (CTL) response against prostate specific tumor associated antigens, resulting in an immune-mediated prostate cancer cell death.
(AdRTVP-1-Transduced Prostate Cancer Cell-Based Vaccine, NCI Thesaurus)
In addition to its effect on glucose levels, alogliptin may inhibit inflammatory responses by preventing the toll-like receptor 4 (TLR-4)-mediated formation of proinflammatory cytokines.
(Alogliptin, NCI Thesaurus)
| Learn English with... Proverbs |
"We will stay longer dead than poor" (Breton proverb)
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"He who has nothing will not eat. If you want flour, go gather chestnuts." (Corsican proverb)