eighty

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eight·y

 (ā′tē)
n. pl. eight·ies
1. The cardinal number equal to 8 × 10.
2. eighties
a. A decade or the numbers from 80 to 89: They were still active in their eighties. Before noon, the temperature shot into the eighties.
b. often Eighties The decade from 80 to 89 in a century.

[Middle English eighti, from Old English eahtatig; see oktō(u) in Indo-European roots.]

eight′y adj. & pron.

eighty

(ˈeɪtɪ)
n, pl -ies
1. (Mathematics) the cardinal number that is the product of ten and eight. See also number1
2. (Mathematics) a numeral, 80, LXXX, etc, representing this number
3. (Mathematics) (plural) the numbers 80–89, esp a person's age or the year of a particular century
4. (Mathematics) the amount or quantity that is eight times as big as ten
5. something represented by, representing, or consisting of 80 units
determiner
a. amounting to eighty: eighty pages of nonsense.
b. (as pronoun): eighty are expected.
[Old English eahtatig; related to Old Frisian achtig, Old High German ahtozug]

eight•y

(ˈeɪ ti)

n., pl. eight•ies,
adj. n.
1. a cardinal number, ten times eight.
2. a symbol for this number, as 80 or LXXX.
3. a set of this many persons or things.
4. eighties, the numbers from 80 through 89, as in referring to the years of a lifetime or of a century or to degrees of temperature.
adj.
5. amounting to 80 in number.
[before 850; Middle English eighteti, Old English eahtatig. See eight, -ty1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.eighty - the cardinal number that is the product of ten and eighteighty - the cardinal number that is the product of ten and eight
large integer - an integer equal to or greater than ten
Adj.1.eighty - being ten more than seventyeighty - being ten more than seventy    
cardinal - being or denoting a numerical quantity but not order; "cardinal numbers"
Translations
ثمانونثَمانونعُمْر الثَّمانينعُمْرُه ثَمانون عاما
huitantavuitanta
osmdesát
firsfirs årfirs år gammel
okdek
kahdeksankymmentä
osamdeset
nyolcvan
áttatíuáttatíu áraáttræîur, áttatíu ára
八十
80
octoginta
aštuoniasdešimtaštuoniasdešimt metųaštuoniasdešimtasaštuoniasdešimtiesaštuoniasdešimties metų
astoņdesmitastoņdesmit gadu vecumsastoņdesmit gadus vecs
optzeci
osemdesiatosemdesiat rokov
osemdesetosemdeseta leta
åttio
แปดสิบ
seksenseksen yaşıseksen yaşında
tám mươi

eighty

[ˈeɪtɪ]
A. ADJochenta
she's eightytiene ochenta años
B. Nochenta m
the eightieslos años ochenta
to be in one's eightiestener más de ochenta años
see five for usage

eighty

[ˈeɪti] numquatre-vingts
to be eighty (years old)avoir quatre-vingts ans
eighty one → quatre-vingt un

eighty

adjachtzig
nAchtzig f ? sixty

eighty

[ˈeɪtɪ]
1. adjottanta inv
2. nottanta m inv
for usage see five

eighty

(ˈeiti) noun
1. the number or figure 80.
2. the age of 80.
adjective
1. 80 in number.
2. aged 80.
ˈeighties noun plural
1. the period of time between one's eightieth and ninetieth birthdays. He is in his eighties.
2. the range of temperatures between eighty and ninety degrees. It was in the eighties yesterday.
3. the period of time between the eightieth and ninetieth years of a century. life in the 'eighties/'80s.
ˈeightieth noun
1. one of eighty equal parts. eleven eightieths.
2. (also adjective) (the) last of eighty (people, things etc); (the) next after the seventy-ninth.
eighty-
having eighty. an eighty-page book.
ˈeighty-year-old noun
a lively eighty-year-old.
adjective
an eighty-year-old widow.

eighty

ثَمانون osmdesát firs achtzig ογδόντα ochenta kahdeksankymmentä quatre-vingt osamdeset ottanta 八十 80 tachtig åtti osiemdziesiąt oitenta восемьдесят åttio แปดสิบ seksen tám mươi 八十
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The factor V (Leiden) mutation leads to the laboratory finding of activated protein C resistance (APCR) and a sevenfold increase in venous thromboembolic events in heterozygous individuals and an eightyfold increase in homozygous subjects.
A sixfold population expansion since 1800 has been no problem because it has been accompanied by an eightyfold increase in productivity.