1 the number or figure 30.
dertig

2 the age of 30.
dertig

1 30 in number.
dertig

2 aged 30.
dertig

'thirties (noun plural)

1 the period of time between one's thirtieth and fortieth birthdays.
tussen dertig en veertig

2 the range of temperatures between thirty and forty degrees.
tussen dertig en veertig

3 the period of time between the thirtieth and fortieth years of a century.
de jaren dertig

'thirtieth (Zelfstandig naamwoord)

1 one of thirty equal parts.
dertigste

2 (also adjective) the last of thirty (people, things etc); the next after the twenty-ninth.
dertigste

thirty-

having thirty (of something): “a thirty-pound fine.”
dertig-

'thirty-year-old (Zelfstandig naamwoord)

a person or animal that is thirty years old.
dertigjarige
(of a person, animal or thing) that is thirty years old.
dertigjarig
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thirty

dertig

Bron: interglot