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Dense vs Rarefy - What's the difference?

dense | rarefy |

As a adjective dense

is having relatively high density.

As a verb rarefy is

to make rare, thin, porous, or less dense.

dense

English

Adjective

(er)
  • Having relatively high density.
  • Compact; crowded together.
  • Thick; difficult to penetrate.
  • *, chapter=13
  • , title= The Mirror and the Lamp , passage=And Vickers launched forth into a tirade very different from his platform utterances. He spoke with extreme contempt of the dense stupidity exhibited on all occasions by the working classes. He said that if you wanted to do anything for them, you must rule them, not pamper them.}}
  • Opaque; allowing little light to pass through.
  • Obscure, or difficult to understand.
  • (mathematics, topology) Being a subset of a topological space that approximates the space well. See Wikipedia article on (dense set)s for mathematical definition.
  • Of a person, slow to comprehend; of low intelligence.
  • Synonyms

    * (having relatively high density) solid * (crowded together) compact, crowded, packed * (difficult to penetrate) thick, solid * (allowing little light to pass through) cloudy, opaque * (difficult to understand) abstruse, difficult, hard, incomprehensible, obscure, tough * (slow to comprehend) dumb, slow, stupid, thick

    Antonyms

    * (having relatively high density) * (crowded together) diffuse, few and far between (of things as opposed to one thing), scattered, sparse, rarefied * (difficult to penetrate) thin * (allowing little light to pass through) clear, diaphanous, see-through, translucent, transparent * (difficult to understand) clear, comprehensible, easy, simple, straightforward, understandable * (in mathematics) meager * (slow to comprehend) bright, canny, intelligent, quick, quick-witted, smart

    Anagrams

    * * ----

    rarefy

    English

    Alternative forms

    * rarify

    Verb

    (en-verb)
  • To make rare, thin, porous, or less dense
  • To expand or enlarge without adding any new portion of matter to.
  • Synonyms

    * stretch

    Antonyms

    * condense