ˈmä(ˌ)chō abbreviation or noun
( -s )
Etymology: ma ssive c ompact h alo o bject
: a hypothetical dark-matter object consisting of a nonluminous astronomical body (as a brown dwarf)
ˈmä(ˌ)chō abbreviation or noun
( -s )
Etymology: ma ssive c ompact h alo o bject
: a hypothetical dark-matter object consisting of a nonluminous astronomical body (as a brown dwarf)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012