2diamond adjective
always used before a noun : of or relating to the 60th or 75th anniversary of an important event (such as a marriage)
▪ The couple celebrated their diamond (wedding) anniversary a few months ago. = (Brit) They celebrated their diamond wedding. ▪ the celebration of Queen Victoria's diamond jubilee in 1897 ◊It is more common for diamond to refer to the 60th anniversary of something. — compare golden, silver
▪ The couple celebrated their diamond (wedding) anniversary a few months ago. = (Brit) They celebrated their diamond wedding. ▪ the celebration of Queen Victoria's diamond jubilee in 1897 ◊It is more common for diamond to refer to the 60th anniversary of something. — compare golden, silver
