Meanings

complex and multifarious

complex and wide-ranging

complex and mysterious (bizarre)

complex and subtle (delicate)

multifunction machine

compound nucleus

Nordic combined

compound nuclear process

same singular and plural form (of a noun; e.g. sheep)

plain paper copier

multidisciplinary science

simultaneously running for a seat in a single-member constituency and a seat in a proportionally represented constituency

polygamy

duplicated gene

conjugated protein

class action lawsuit

double salt

polygenetic volcano

compound umbellate inflorescence

self-duplicating