fifty

The cardinal numeral representing the quantity of fifty units; the fiftieth positive integer following forty-nine; a composite number (2×5²); a round multiple of ten commonly used in counting, measurement, percentages, and milestone celebrations. Also functions as a noun (denoting the symbol, quantity, or group of fifty), adjective/determiner (modifying nouns to indicate quantity), and pronoun (standing in for a plural noun phrase).

• 🌐العدد الكامل الذي يأتي بعد تسعة وأربعين وقبل واحد وخمسين، ويدل على خمسين من الأشياء أو الأشخاص أو وحدات العد، وهو عدد مستدير من مضاعفات العشرة. ويُستعمل أيضًا اسمًا وصفةً وضميرًا للدلالة على هذه الكمية.

1. Cardinal numeral: the number 50 A1 formal

   Used to denote a quantity of fifty persons or things; the fiftieth positive integer in the sequence of natural numbers; a composite number (2×5²); represents a fiftyfold quantity in counting, mathematics, and everyday usage.

   • There are fifty states in the United States.
   • She scored fifty points in the competition.
   • Fifty plus fifty equals one hundred.
   • The speed limit is fifty kilometers per hour.
   • He completed fifty laps during training.

   🌐عدد أصلي: العدد 50

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

   A noun referring to the cardinal number fifty; the numeral symbol 50 or L; a set, collection, or group consisting of fifty items; a playing card displaying fifty (in extended decks); a team or ensemble of fifty members; in currency, a fifty-unit banknote.

   • The number fifty marks a golden anniversary milestone.
   • Circle the fifties in this financial summary.
   • The orchestra includes a fifty of musicians.
   • In some card variants, the fifty is a special scoring card.
   • The budget report lists a fifty of contracted suppliers.

   🌐اسم: العدد أو الرمز أو مجموعة من خمسين

3. Adjective/Determiner: amounting to fifty A1 formal

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

   • They booked a fifty-week research project.
   • We need fifty additional passes for the event.
   • The protocol requires fifty milliliters of the solution.
   • She has fifty years of experience in journalism.
   • Fifty international partners supported the initiative.

   🌐عدد/صفة: بمقدار خمسين

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

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

   • Five hundred applied, but only fifty were selected for the program.
   • I invited three hundred guests; fifty confirmed their attendance.
   • How many seats should we reserve? — Fifty will be ideal.
   • Several firms submitted tenders, but fifty advanced to the final evaluation.
   • Of the proposals reviewed, fifty were approved for funding.

   🌐ضمير: خمسون شخصًا أو شيئًا

• fiftieth ordinal