a Brazilian samba dancer

samba

/ ˈsæmbə / noun

a lively Brazilian dance, or the music associated with this dance:
I go to samba classes once a week. | The crowd were dancing to lively samba music.

Samba is also a verb:
Can you teach me to samba like a Brazilian?

Read all about it: Do you speak Carioca?

parading in the sambódromo

sambódromo

/ sæmˈbɒdromo / noun

a large stadium where Brazilian carnival parades take place:
The Rio sambódromo, designed by Oscar Niemeyer, is the most famous in Brazil.

Read all about it: Do you speak Carioca?

Shopping lists will be a thing of the past when you have a smart fridge.

smart

/ smɑ^rt / adjective

Smart devices can be operated using the internet:
Smart technology allows you to switch on your air conditioning at home when you’re still at the office. | When you’re running low on milk, your smart fridge will notice and automatically order more from the supermarket.

Read all about it: Will smartphones take over the world?

There’s a convention for everyone, even steampunk aficionados. [photo by Nathan Forget CC BY 2.0]

steampunk

/ ˈstimpʌŋk / noun

a visual style that uses elements from the time before computers were invented, combined in a way that would not have been possible at that time:
Steampunk style appeals to alternative types who reject mainstream fashion.

Steampunk is also a type of literature or movie-making that uses steampunk imagery and ideas:
Adams has already self-published a series of steampunk graphic novels.

Read all about it: Stop the world – I want to get off!