English Explanatory Dictionary

massive astrophysical compact halo object

English dictionary entry

Meanings

noun
  1. Alternative form of massive compact halo object.

Word forms

massive astrophysical compact halo object massive astrophysical compact halo objects

Etymology

A back-formation from MACHO, which is used as an acronym for massive compact halo object. Words used to fill in the apparently missing "A" word include astrophysical and astronomical.

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