ninety

The cardinal numeral representing the quantity of ninety units; the ninetieth positive integer following eighty-nine; a composite number (2×3²×5); the last round multiple of ten before one hundred, commonly used in counting, measurement, percentages, and age milestones. Also functions as a noun (denoting the symbol, quantity, or group of ninety), adjective/determiner (modifying nouns to indicate quantity), and pronoun (standing in for a plural noun phrase).

• 🇩🇪Kardinalzahl, die die Menge von neunzig Gegenständen, Personen oder Zähleinheiten bezeichnet; die letzte runde Zehnerzahl vor hundert; wird auch als Substantiv, Determinativ oder Pronomen verwendet.

1. Cardinal numeral: the number 90 A1 formal

   Used to denote a quantity of ninety persons or things; the ninetieth positive integer in the sequence of natural numbers; a composite number (2×3²×5); represents a ninetyfold quantity in counting, mathematics, and everyday usage.

   • There are ninety degrees in a right angle.
   • She scored ninety points on the final assessment.
   • Ninety plus ninety equals one hundred eighty.
   • The highway speed limit is ninety kilometers per hour.
   • He completed ninety percent of the project ahead of schedule.

   🇩🇪Kardinalzahl: die Zahl 90

2. Noun: the number, symbol, or group of ninety A2 formal

   A noun referring to the cardinal number ninety; the numeral symbol 90 or XC; a set, collection, or group consisting of ninety items; a playing card displaying ninety (in extended decks); a team or ensemble of ninety members; in currency, a ninety-unit banknote.

   • The number ninety marks the approach to a centennial milestone.
   • Circle the nineties in this demographic chart.
   • The festival ensemble includes a ninety of performers.
   • In some card variants, the ninety is a high-value scoring card.
   • The annual registry lists a ninety of certified contractors.

   🇩🇪Substantiv: die Zahl, das Symbol oder die Gruppe von neunzig

3. Adjective/Determiner: amounting to ninety A1 formal

   Used attributively before a noun to indicate that the quantity or number of the noun is ninety; modifies plural countable nouns to specify exact quantity.

   • They booked a ninety-week postgraduate research program.
   • We need ninety additional access badges for the conference.
   • The experimental protocol requires ninety milliliters of the reagent.
   • She has ninety years of combined institutional experience.
   • Ninety international delegations participated in the climate summit.

   🇩🇪Adjektiv/Determinativ: in Höhe von neunzig

4. Pronoun: ninety people or things (plural) B1 formal

   Used as a pronoun to refer to ninety previously mentioned or understood persons or things; takes plural verb agreement.

   • Nine hundred applied, but only ninety were selected for the fellowship.
   • I invited seven hundred guests; ninety confirmed their attendance.
   • How many seats should we reserve? — Ninety will be ideal.
   • Several companies submitted proposals, but ninety advanced to the final evaluation round.
   • Of the manuscripts evaluated, ninety were accepted for publication.

   🇩🇪Pronomen: neunzig Personen oder Dinge

• ninetieth ordinal