massive and compact halo object

English

Etymology

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"

Noun

massive and compact halo object (plural massive and compact halo objects)

Alternative form of massive compact halo object

单词	massive and compact halo object
释义	massive and compact halo object English Etymology 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" Noun massive and compact halo object (plural massive and compact halo objects) Alternative form of massive compact halo object
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