Russian Translation(s) & Details for 'double'

English Word: double

Key Russian Translations:

• двойной [ˈdvoj.nəj] - [Adjective, Formal]
• удвоить [ʊdˈvɔɪ.tʲ] - [Verb, Formal]
• двойка [ˈdvoj.kə] - [Noun, Informal, Plural: Used in contexts like card games or pairs]

Frequency: Medium (Common in everyday contexts like mathematics, sports, and descriptions, but not as ubiquitous as basic vocabulary).

Difficulty: B1 (Intermediate; requires understanding of adjective and verb forms, with удвоить being slightly more challenging due to verb conjugation patterns).

Pronunciation (Russian):

двойной: [ˈdvoj.nəj]

Note on двойной: The stress is on the first syllable; the 'ой' diphthong can be tricky for English speakers, sounding like "oy" in "boy".

удвоить: [ʊdˈvɔɪ.tʲ]

Note on удвоить: The 'у' is pronounced as a short 'u' sound, and the verb ending changes based on conjugation; palatalization of 'тʲ' is a common challenge.

двойка: [ˈdvoj.kə]

Note on двойка: Similar to двойной, but as a noun, it may vary slightly in informal speech.

Audio: []

Meanings and Usage:

Meaning 1: As an adjective, meaning twice the amount or size

Translation(s) & Context:

• двойной - Used in formal or technical contexts, such as describing quantities or sizes (e.g., in mathematics or everyday objects).

Usage Examples:

• Я заказал двойной кофе, чтобы хватило на весь день.

  I ordered a double coffee to last me the whole day.

• Эта комната имеет двойной размер по сравнению с обычной.

  This room has double the size compared to a standard one.

• В отеле предлагают двойные номера для пар.

  The hotel offers double rooms for couples.

• Двойной агент работает на две стороны в шпионских фильмах.

  A double agent works for both sides in spy movies.

Meaning 2: As a verb, meaning to multiply by two

Translation(s) & Context:

• удвоить - Used in contexts involving increase, such as in business, finance, or instructions (e.g., to double an amount).

Usage Examples:

• Компания планирует удвоить производство к концу года.

  The company plans to double production by the end of the year.

• Чтобы рецепт удвоить, просто умножьте ингредиенты на два.

  To double the recipe, simply multiply the ingredients by two.

• Он удвоил свои усилия, чтобы завершить проект вовремя.

  He doubled his efforts to complete the project on time.

• Инвестиции удвоились за последние пять лет.

  The investments doubled over the last five years.

Meaning 3: As a noun, referring to a pair or double in sports/games

Translation(s) & Context:

• двойка - Informal, often in games like cards or sports (e.g., a double in tennis).

Usage Examples:

• В теннисе мы играем в двойку против другой команды.

  In tennis, we're playing doubles against the other team.

• Эта карта — двойка, она удваивает очки в игре.

  This card is a double; it doubles the points in the game.

• Двойка в покере может быть частью выигрышной комбинации.

  A double in poker can be part of a winning hand.

Russian Forms/Inflections:

For двойной (adjective): It follows standard Russian adjective declension patterns. It is an adjective of the first declension group.

Case	Singular Masculine	Singular Feminine	Singular Neuter	Plural
Nominative	двойной	двойная	двойное	двойные
Genitive	двойного	двойной	двойного	двойных

For удвоить (verb): It is a first-conjugation verb with imperfective aspect (удваивать). Conjugates irregularly in some forms.

Tense/Person	Present	Past
1st Person Singular	удваиваю	удвоил(а)
2nd Person Singular	удваиваешь	удвоил(а)

For двойка (noun): A feminine noun of the first declension; it inflects regularly and has no irregularities.

Case	Singular	Plural
Nominative	двойка	двойки
Genitive	двойки	двоек

Russian Synonyms/Antonyms:

• Synonyms:
  • двукратный (dvukratnyj) - Similar to двойной, but more precise for "twofold".
  • увеличить в два раза (uvelichit' v dva raza) - For удвоить, meaning to increase twofold; more descriptive in formal contexts.
• Antonyms:
  • половинный (polovinnyj) - Meaning half, opposite of double in quantity.
  • уменьшить (umen'shit') - Opposite of удвоить, meaning to decrease.

Related Phrases:

• двойной стандарт (dvoinoi standart) - Double standard; a phrase used in social or ethical discussions.
• удвоить ставки (udvoit' stavki) - To double the stakes; common in gambling or business risks.
• игра в двойку (igra v dvoiku) - Playing doubles; refers to team sports.

Usage Notes:

Двойной as an adjective directly corresponds to "double" in English for descriptions of size or quantity, but always agree in gender, number, and case in Russian sentences. For the verb удвоить, it's perfective, so use it for completed actions; pair it with the imperfective удваивать for ongoing processes. Choose based on context: use двойка for informal or playful scenarios like games, while удвоить suits professional or mathematical contexts. Be mindful of Russian's grammatical agreement to avoid errors in formal writing.

Common Errors:

• Error: Using удвоить without proper conjugation, e.g., saying "Я удвоить деньги" instead of "Я удвою деньги".
  Correct: "Я удвою деньги" (I will double the money). Explanation: Verbs must be conjugated based on subject; beginners often forget person agreement.
• Error: Misapplying gender to двойной, e.g., "двойной книга" for a feminine noun.
  Correct: "двойная книга" (double book). Explanation: Adjectives must match the noun's gender; this is a common oversight for English speakers used to invariable adjectives.

Cultural Notes:

In Russian culture, the concept of "double" (e.g., двойной стандарт) often appears in discussions of social norms, reflecting historical influences like Soviet-era equality rhetoric versus practical inequalities. Phrases like удвоить усилия might evoke themes from Russian literature, such as in Tolstoy's works, where doubling efforts symbolizes perseverance in the face of adversity.

Related Concepts:

• тройной (troinoi)
• полуторный (polutornyj)
• увеличение (uvelichenie)