plural of ruby

Third-person singular simple present indicative form of ruby

(uncommon) The ruby anniversary of a wedding, the 40th anniversary of a marriage.

plural of rock ruby

(uncommon) The ruby anniversary of a coronation, the 40th anniversary of a monarch's rule.

(mineralogy) Synonym of pyrargyrite

plural of ruby blende

A clear red variety of zinc sulfide. / Ruby silver.

Having the red colour of a ruby.

A kind of fortified wine. The cheapest and most extensively produced type of port, with a rich claret colour.