low density

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Explanation of "Low Density"

Definition: "Low density" refers to a situation where there are not many things (like people, objects, or particles) in a certain space. It means that the items are spread out and not packed closely together.

Advanced Usage

In scientific contexts, "low density" often describes gases or materials that are lighter and contain fewer particles compared to others. For instance, "helium has a low density compared to air."

Word Variants

• Density (noun): The measure of how much mass is in a given volume.
• Dense (adjective): Opposite of low density; means closely packed together.
• Densely (adverb): In a way that is closely packed.

Different Meanings

1. Physical Meaning: Referring to materials or substances that have less mass in a given volume (like foam).
2. Population Meaning: Referring to areas where people are spread out (like rural areas having low population density).

Synonyms

• Sparse
• Thin
• Light
• Rarified

Idioms and Phrasal Verbs

While there are no direct idioms or phrasal verbs specifically related to "low density," you might encounter phrases like "light as a feather," which conveys a similar idea of being light or not dense.

Summary

"Low density" is a term used to describe a situation where items are not packed closely together, whether that refers to materials, air, or population.

Academic

Noun

1. a rarified quality
   • the tenuity of the upper atmosphere

Synonyms

• rarity
• tenuity