obtuse angle arch (english) - meaning, definition, translation, pronunciation

Part of Speech

Noun phrase

Phonetic Transcription

/əbˈtjuːs ˈeɪŋɡl/ /ɑːrtʃ/

Meaning and Usage

An obtuse angle is an angle that measures greater than 90 degrees but less than 180 degrees. An arch is a curved structure that spans an opening and may support weight above it. When combined as "obtuse angle arch," it refers to an arch that has angles greater than 90 degrees, typically used in architectural contexts. This term is not frequently used in everyday conversation but can often be found in architectural discussions and technical descriptions. It is predominantly used in written contexts.

Example Sentences

1. The architect designed an obtuse angle arch to add a modern touch to the ancient structure.

2. Архитектор спроектировал арку с тупым углом, чтобы добавить современный штрих к древнему строению.

3. The obtuse angle arch provided a unique aesthetic appeal to the public space.

4. Арка с тупым углом создала уникальную эстетическую привлекательность для общественного пространства.

5. Engineers prefer the obtuse angle arch for its stability in key load-bearing designs.

6. Инженеры предпочитают арку с тупым углом за ее стабильность в ключевых конструкциях, несущих нагрузку.

Idiomatic Expressions

While "obtuse angle" and "arch" may not be commonly found together in idiomatic expressions, each word can contribute to various expressions in geometry and construction contexts. Below are examples and explanations.

1. At a right angle - This phrase refers to being perpendicular or forming a 90-degree angle, often used in construction and design contexts.
2. The walls were built at a right angle to ensure the room was perfectly square.

3. Стены были построены под прямым углом, чтобы комната была идеально квадратной.

4. Arch your back - This phrase is used to describe someone bending backward, often used in the context of stretching or preparation for a task.

5. She was told to arch her back and lift the weights properly.

6. Ей сказали выгибать спину и правильно поднимать тяжести.

7. A closed book - While not directly related to "obtuse angle," this idiom signifies something that is not accessible or difficult to understand, perhaps paralleling the challenging nature of obtuse angles in geometry.

8. The subject of advanced calculus remains a closed book for many students.

9. Тематика высшей математики остается закрытой книгой для многих студентов.

10. Arch-nemesis - A term for one’s principal enemy, not directly related to angles but shares the term "arch."

11. Batman's arch-nemesis is the Joker.
12. Арх-негодяй Бэтмена — Джокер.

Etymology

• Obtuse comes from the Latin obtusus, meaning "blunt" or "dull," which relates to how the angle appears compared to acute angles.
• Angle is derived from the Latin angulus, meaning "corner" or "angle."
• Arch comes from the Latin arcus, meaning "curve" or "bow."

Synonyms and Antonyms

Synonyms - Obtuse angle: blunt angle, wide angle - Arch: curve, arc, vault

Antonyms - Obtuse angle: acute angle - Arch: straight line, flat surface

In summary, the term "obtuse angle arch" encompasses architectural concepts while connecting to angles and curves, and though not prevalent in idiomatic expressions, aspects of each word appear in various contexts.