giãn nở
Definition
Verb:
- To expand: To increase in size, volume, or scope. This is the most common meaning, often used for physical objects or abstract concepts.
- To dilate: A more technical term, primarily used in scientific or medical contexts to describe the widening of an opening, such as blood vessels or pupils.
Noun:
- Expansion: The process or result of becoming larger or more extensive.
- Dilation: The act of dilating or the state of being dilated.
Usage Examples
- Verb:
- Kim loại giãn nở khi bị nung nóng. (Metal expands when heated.)
- Đồng tử mắt giãn nở trong bóng tối. (The pupils of the eyes dilate in the dark.)
- Noun:
- Sự giãn nở của vũ trụ là một chủ đề khoa học quan trọng. (The expansion of the universe is an important scientific topic.)
- Bác sĩ quan sát sự giãn nở của mạch máu. (The doctor observes the dilation of the blood vessel.)
Advanced Usage
- Used in economics and sociology to describe growth.
- Nền kinh tế đang trong thời kỳ giãn nở nhanh chóng. (The economy is in a period of rapid expansion.)
- In physics, specifically "thermal expansion" is translated as .
Variants and Related Words
- Giãn nở nhiệt (n): Thermal expansion.
- Sự giãn nở (n): The expansion; the dilation (the nominalized form).
- Giãn ra (v): To stretch out, to expand (less formal, often for physical stretching).
Synonyms
- Expand: To increase in size.
- Dilate: To become wider (for openings).
- Swell: To become larger in a rounded shape.
- Enlarge: To make or become bigger.
Related Idioms
- While not a fixed idiom, the phrase is used metaphorically.
- Tầm mắt giãn nở: Literally "vision expands," meaning one's perspective or horizons broaden.