a 22 carat gold chain1818 
COLLOCATIONS FROM OTHER ENTRIES a 22 carat gold chain
in the UK, a film that has been accepted as suitable only for people aged 18 and older. Films that have an 18 certificate usually contain a lot of sex or violence. In the US system, films like this have the letter X. a 22 carat gold chain (=a measurement used to show how pure gold is)
· Facilities include an 18-hole golf course.