diameter
Russian Translation(s) & Details for 'Diameter'
English Word: Diameter
Key Russian Translations:
- диаметр [dʲɪˈamʲɪtr] - [Formal, Technical]
Frequency: Medium (commonly used in technical, scientific, and mathematical contexts)
Difficulty: B1 (Intermediate) - Suitable for learners with a basic understanding of technical vocabulary
Pronunciation (Russian):
диаметр: [dʲɪˈamʲɪtr]
Note on диаметр: The stress falls on the second syllable. The 'д' is palatalized, which is common in Russian pronunciation.
Audio: []
Meanings and Usage:
1. Geometric or Technical Measurement (Straight line passing through the center of a circle)
Translation(s) & Context:
- диаметр - Used in mathematical, engineering, and scientific contexts to describe the measurement of a circle or cylindrical object.
Usage Examples:
-
Диаметр этого круга составляет 10 сантиметров.
The diameter of this circle is 10 centimeters.
-
Диаметр трубы должен быть точно измерен перед установкой.
The diameter of the pipe must be measured precisely before installation.
-
Какой диаметр у этой окружности?
What is the diameter of this circumference?
-
Диаметр колеса влияет на скорость автомобиля.
The diameter of the wheel affects the car's speed.
-
Ученые измерили диаметр планеты с высокой точностью.
Scientists measured the diameter of the planet with high precision.
Russian Forms/Inflections:
The word диаметр is a masculine noun in Russian. It follows the standard declension pattern for masculine nouns ending in a consonant.
Case | Singular | Plural |
---|---|---|
Nominative | диаметр | диаметры |
Genitive | диаметра | диаметров |
Dative | диаметру | диаметрам |
Accusative | диаметр | диаметры |
Instrumental | диаметром | диаметрами |
Prepositional | о диаметре | о диаметрах |
Russian Synonyms/Antonyms:
Synonyms:
- поперечник (less common, used in specific technical contexts)
Note: While "поперечник" can sometimes be used interchangeably with "диаметр," it is less frequent and often implies a cross-section measurement in technical contexts.
Antonyms:
- радиус (radius - half of the diameter)
Related Phrases:
- диаметр окружности - Diameter of a circumference (used in geometry).
- диаметр трубы - Diameter of a pipe (used in engineering and construction).
- диаметр колеса - Diameter of a wheel (used in automotive contexts).
Usage Notes:
- The Russian word "диаметр" is a direct equivalent of the English "diameter" and is primarily used in formal, technical, or scientific contexts.
- It is not typically used in casual or colloquial speech unless discussing specific measurements.
- Ensure correct case usage when incorporating "диаметр" into sentences, as Russian nouns decline based on their grammatical role.
Common Errors:
- Error: Confusing "диаметр" (diameter) with "радиус" (radius). English learners might mistakenly use "радиус" when referring to the full measurement across a circle.
Incorrect: Радиус круга 10 см. (Intending to say the diameter is 10 cm.)
Correct: Диаметр круга 10 см.
Explanation: "Радиус" refers to half the diameter, so using it incorrectly can lead to confusion in technical discussions.
- Error: Incorrect stress placement when pronouncing "диаметр." Stressing the first syllable instead of the second can make the word sound unnatural.
Tip: Always stress the second syllable: [dʲɪˈamʲɪtr].
Cultural Notes:
While "диаметр" does not carry specific cultural connotations in Russian, it is worth noting that precise measurements and technical vocabulary are highly valued in Russian academic and engineering contexts. Using the term correctly demonstrates a respect for accuracy, which is important in professional settings.
Related Concepts:
- радиус (radius)
- окружность (circumference)
- площадь (area)
- объем (volume)