trending topicˈtrending ˌtopic noun [countable] 
one of the most popular subjects in recent messages sent using the social networking service Twitter
one of the most popular subjects in recent messages sent using the social networking service Twitter- colourant
- colouration
- colour bar
- colour-blind
- colour-blindness
- colour blocking
- colour coded
- colour-coordinated
- colour-coordination
- coloured
- colourfast
- colourful
- colourfully
- colouring
- colouring book
- colourist
- colourless
- colourlessly
- colour scheme
- colour supplement
- Colt
- colt
- Coltrane, John
- Columbia
- Columbia Pictures