**addition** as a noun: - 1
- 2
- 3
- 4
- 5
- 6

## addition

noun

### 1 addition

A component that is added to something to improve it:

— The addition of a bathroom was a major improvement.

— The addition of cinnamon improved the flavor.

*synonyms:* add-on, improver.

Roget 39:
adjunct;
addition,
additament^{†};
additum* [Lat.]*,
affix,
**
**
appelidage^{†},
annexe^{†},
annex;
augment,
augmentation;
increment,
reinforcement,
supernumerary,
accessory,
item;
garnish,
sauce;
accompaniment
*etc.*
**88**;
adjective,
addendum;
complement,
supplement;
continuation.
rider,
offshoot,
episode,
side issue,
corollary;
piece* [Fr.]*;
flap,
lappet,
skirt,
embroidery,
trappings,
cortege;
tail,
suffix
*etc.*
*(sequel)*
**65**;
wing.
... show more

### 2 addition

The act of adding one thing to another.

Dutch: optellen, sommering, sommeren, adjunctie, toevoeging

Polish: dodanie

### 3 addition

A quantity that is added:

— There was an addition to property taxes this year.

*synonyms:* gain, increase.

Roget 37:
addition,
annexation,
adjection^{†};
junction
*etc.*
**43**;
superposition,
superaddition,
superjunction^{†},
superfetation;
accession,
reinforcement;
increase
*etc.*
**35**;
increment,
supplement;
accompaniment
*etc.*
**88**;
interposition
*etc.*
**228**;
insertion
*etc.*
**300**.
... show more

Dutch: aangroei, aanwas, stijging, toename

Polish: przybór

### 4 addition

Something added to what you already have:

— He was a new addition to the staff.

*synonym:* accession.

### 5 addition

A suburban area laid out in streets and lots for a future residential area.

### 6 addition

The arithmetic operation of summing; calculating the sum of two or more numbers.

*synonyms:* plus, summation.

Roget 85:
numeration;
numbering
*etc.*
*v.;*
pagination;
tale,
recension^{†},
enumeration,
summation,
reckoning,
computation,
supputation^{†};
calculation,
calculus;
algorithm,
algorism^{†},
rhabdology^{†},
dactylonomy^{†};
measurement
*etc.*
**466**;
statistics.
arithmetic,
analysis,
algebra,
geometry,
analytical geometry,
fluxions^{†};
differential calculus,
integral calculus,
infinitesimal calculus;
calculus of differences.
*[Statistics]*
dead reckoning,
muster,
poll,
census,
capitation,
roll call,
recapitulation;
account
*etc.*
**
**
*(list)*
**86**.
*[Operations]*
notation, ,
addition,
subtraction,
multiplication,
division,
rule of three,
practice,
equations,
extraction of roots,
reduction,
involution,
evolution,
estimation,
approximation,
interpolation,
differentiation,
integration.
*[Instruments]*
abacus,
logometer^{†},
slide rule,
slipstick* [Coll.]*,
tallies,
Napier's bones,
calculating machine,
difference engine,
suan-pan^{†};
adding machine;
cash register;
electronic calculator,
calculator,
computer;
*[people who calculate]*
arithmetician,
calculator,
abacist^{†},
algebraist,
mathematician;
statistician,
geometer;
programmer;
accountant,
auditor.
... show more

Dutch: optelling, sommatie

Polish: dodawanie, podliczanie, podsumowywanie, sumowanie

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