mega-mega- /meɡə/ prefix 
1[in nouns] a million – used with units of measurement: 
1,000 megawatts of electricity2informal extremely: Her family is megarich!3very big: a megastore
1[in nouns] a million – used with units of measurement: 1,000 megawatts of electricity2informal extremely: Her family is megarich!3very big: a megastore- Goldberg, Rube
- goldbrick
- gold card
- Gold Coast
- Gold Cup
- gold digger
- gold dust
- golden
- golden anniversary
- golden eagle
- Golden Gate
- Golden Gate Bridge
- Golden Gloves
- golden goal
- golden handcuffs
- golden handshake
- golden hello
- golden jubilee
- golden oldie
- golden parachute
- golden raisin
- golden retriever
- golden rule
- Golden Rule, The
- golden syrup