raisin - rozinka, hrozinka

noun - a dried grape

raise - zvednout, zvedat, vyvýšit, zvýšit

verb - to lift something up, to make something higher

rainbow - duha

noun - the arch of different colours that sometimes forms in the sky after it has rained

 

rainwater - dešťová voda

noun - the water that sometimes falls from the sky

raindrop - dešťová kapka, kapka deště

noun - a single drop of water that comes from the sky

 

rail - kolejnice

noun - one of the two long metal bars of the railway track

 

radioactivity - radioaktivita

noun - the sending out of powerful and very harmful rays

 

radioactive - radioaktivní

adjective - sending out powerful and very harmful rays

radiator - chladič (u auta)

noun - an apparatus that cools down the engine of a car

radiator - radiátor, topení

noun - a metal apparatus with circulating hot water inside that sends out heat in a room or a house

 

radiation - radiace, záření (radiace)

noun - harmful rays from a radioactive substance

 

radiation - vyzařování, záření

noun - the act of sending out heat or light

 

radiate - vyzařovat, zářit

verb - to send out light or heat

radar - radar

noun - a system that can find the position of objects by using radio waves, it is usually used for military purposes

racquet - raketa (tenisová apod.)

noun - a piece of sports equipment that is used in tennis etc. to hit the ball