low-density
Học thuậtThân thiện
Definition
- Adjective:
- Having a low concentration of particles, objects, or people within a given area or volume: Used to describe something where the constituent parts are spread out or not densely packed.
- Having low relative density or specific gravity: Used in physics and materials science to describe a substance that is light for its size, meaning its mass per unit volume is low.
Usage Examples
- Adjective:
- The government is promoting low-density housing to preserve green spaces. (Describing an area with few buildings per unit of land.)
- Polystyrene is a low-density material, which is why it's so light and good for packaging. (Describing a material with low mass per unit volume.)
- A low-density population is characteristic of many rural regions. (Describing an area with few people per square kilometer.)
Advanced Usage
- Technical/Scientific Context: In fields like urban planning, chemistry, or physics, "low-density" is a precise descriptive term.
- The new suburb was designed with low-density zoning, allowing only single-family homes on large lots.
- This low-density lipoprotein is often referred to as "bad" cholesterol. (Here, "low-density" is part of the compound noun "low-density lipoprotein," a specific medical term.)
Variants and Related Words
- Low-density polyethylene (LDPE): (n) A specific, flexible type of plastic with a low density.
- Low-density area: (n phrase) A region, such as residential or rural, with few buildings or people per unit area.
- High-density: (adj) The direct antonym, meaning having a high concentration or high specific gravity.
Synonyms
- Sparse: Thinly dispersed or scattered. (More general, often for objects or vegetation.)
- Diffuse: Spread out over a large area; not concentrated. (Often for light, gas, or concepts.)
- Lightweight: Having low weight, especially in relation to bulk. (Specific to the density meaning regarding weight.)
Antonyms
- Dense: Closely compacted in substance or crowded in arrangement.
- High-density: Having a high concentration or high specific gravity.
- Concentrated: Having a high density of a particular substance or feature.
Adjective
- having low concentration
- low-density urban areas
- having low relative density or specific gravity