# additio
## Finnish
### Etymology

Internationalism (see English addition), ultimately from Latin additiō.

### Pronunciation

* IPA: /ˈɑdːitio/, [ˈɑ̝dːiˌt̪io̞]
* Rhymes: -io
* Hyphenation: ad‧di‧tio

### Noun

additio
* (chemistry) addition

#### Declension

Possessive forms of additio (Kotus type 3/valtio, no gradation) :
first-person singular possessor
singular
plural
nominative
additioni
additioni
accusative
nom.
additioni
additioni
gen.
additioni
genitive
additioni
additioideni additioitteni
partitive
additiotani
additioitani
inessive
additiossani
additioissani
elative
additiostani
additioistani
illative
additiooni
additioihini
adessive
additiollani
additioillani
ablative
additioltani
additioiltani
allative
additiolleni
additioilleni
essive
additionani
additioinani
translative
additiokseni
additioikseni
abessive
additiottani
additioittani
instructive
comitative
—additioineni
second-person singular possessor
singular
plural
nominative
additiosi
additiosi
accusative
nom.
additiosi
additiosi
gen.
additiosi
genitive
additiosi
additioidesi additioittesi
partitive
additiotasi
additioitasi
inessive
additiossasi
additioissasi
elative
additiostasi
additioistasi
illative
additioosi
additioihisi
adessive
additiollasi
additioillasi
ablative
additioltasi
additioiltasi
allative
additiollesi
additioillesi
essive
additionasi
additioinasi
translative
additioksesi
additioiksesi
abessive
additiottasi
additioittasi
instructive
comitative
—additioinesi
first-person plural possessor
singular
plural
nominative
additiomme
additiomme
accusative
nom.
additiomme
additiomme
gen.
additiomme
genitive
additiomme
additioidemme additioittemme
partitive
additiotamme
additioitamme
inessive
additiossamme
additioissamme
elative
additiostamme
additioistamme
illative
additioomme
additioihimme
adessive
additiollamme
additioillamme
ablative
additioltamme
additioiltamme
allative
additiollemme
additioillemme
essive
additionamme
additioinamme
translative
additioksemme
additioiksemme
abessive
additiottamme
additioittamme
instructive
comitative
—additioinemme
second-person plural possessor
singular
plural
nominative
additionne
additionne
accusative
nom.
additionne
additionne
gen.
additionne
genitive
additionne
additioidenne additioittenne
partitive
additiotanne
additioitanne
inessive
additiossanne
additioissanne
elative
additiostanne
additioistanne
illative
additioonne
additioihinne
adessive
additiollanne
additioillanne
ablative
additioltanne
additioiltanne
allative
additiollenne
additioillenne
essive
additionanne
additioinanne
translative
additioksenne
additioiksenne
abessive
additiottanne
additioittanne
instructive
comitative
—additioinenne
third-person possessor
singular
plural
nominative
additionsa
additionsa
accusative
nom.
additionsa
additionsa
gen.
additionsa
genitive
additionsa
additioidensa additioittensa
partitive
additiotaan additiotansa
additioitaan additioitansa
inessive
additiossaan additiossansa
additioissaan additioissansa
elative
additiostaan additiostansa
additioistaan additioistansa
illative
additioonsa
additioihinsa
adessive
additiollaan additiollansa
additioillaan additioillansa
ablative
additioltaan additioltansa
additioiltaan additioiltansa
allative
additiolleen additiollensa
additioilleen additioillensa
essive
additionaan additionansa
additioinaan additioinansa
translative
additiokseen additioksensa
additioikseen additioiksensa
abessive
additiottaan additiottansa
additioittaan additioittansa
instructive
comitative
—additioineen additioinensa :

#### Derived terms

* additiopolymeeri
* additioreaktio

## Latin
### Etymology

From the past participle stem of addō (“to put, place, lay”).

### Pronunciation

* (Classical Latin) IPA: /adˈdi.ti.oː/, [äd̪ˈd̪ɪt̪ioː]
* (modern Italianate Ecclesiastical) IPA: /adˈdit.t͡si.o/, [äd̪ˈd̪it̪ː͡s̪io]

### Noun

additiō f (genitive additiōnis); third declension
* (also mathematics) addition
** c. 1230, Johannes de Sacrobosco, “De Arte Numerandi”, in Rara Mathematica‎, published 1841, page 5:Additio est numeri vel numerorum aggregatio, ut videatur summa excrescens.Addition is the aggregation of one or more numbers, such that the growing total may be seen.

#### Declension

Third-declension noun.

#### Descendants

* Catalan: addició
* French: addition
** → English: addition
* Galician: adición
* Italian: addizione
* Occitan: addicion
* Portuguese: adição
* Romanian: adițiune, adiție
* Spanish: adición

### References

* “additio”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* additio in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
* additio in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.