massive and compact halo object

名词 n.

英文释义

名词 n.
  1. Alternative form of massive compact halo object. alt-of,alternative

词形变化

massive and compact halo objects plural

词源

A backformation from MACHO, where the "A" originally was the second letter in the word "massive", in "MAssive Compact Halo Object", to provide a separate word to fill in the "A" in the acronym, using "and"
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