decal - obtisk

noun, American English - a picture or symbol printed on a special kind of paper that can be used to put the picture onto another surface

plaster - sádra

noun - white powder mixed with water becomes hard as it dries, often used to prevent a broken part of the body from moving

 

platinum - platina

noun - (the chemical element of atomic number 78) a heavy precious metal used in jewellery, electric contacts etc., it is resistant to corrosion

 

manganese - mangan

noun - (the chemical element of atomic number 25) a hard metal similar to iron, it is used in making steel and other alloys

 

comparative - komparativ, druhý stupeň přídavných jmen či příslovcí

noun - the form of an adverb or an adjective that is used to compare two things (such as 'better', 'taller' or 'more interesting')

mistletoe - jmelí

noun - a plant that is used as a Christmas decoration, when a man and a woman meet under it, they have to kiss

camouflage - maskování, kamufláž

noun - a way of hiding by means of using the colour of the surroundings; the materials and colours used in the army to make their units difficult to see

weight - závaží (k vážení či zatížení), činka, kotouč činky

noun - a piece of metal that weighs a particular amount used to measure how heavy something is or to weigh something down; it is also lifted as a sport

lightning conductor - hromosvod

noun, British English - a metal rod on top of a building which is connected to the ground with a wire, it is used to protect the building when there is lightning

lightning rod - hromosvod

noun, American English - a metal rod on top of a building which is connected to the ground with a wire, it is used to protect the building when there is lightning

 

semiconductor - polovodič

noun - a substance or material that allows electricity to pass through it under some conditions but not under others, used especially in electronic devices

valerian - kozlík, kozlík lékařský

noun, technical - a plant witch clusters of small white and pink flowers whose root is used in medicine, often to help people relax or sleep

printing press - tiskařský lis, tiskařský stroj

noun - a machine or device used to print text or images onto paper or other materials by pressing inked type or plates against them

relay - relé

noun, technical - a device that receives and passes on a signal or an electric current, often used to control a larger electrical system or circuit

dumbbell - činka, jednoruční činka, jednoručka

noun - a short bar with a weight or a set of weights at each end that is used to make your arm muscles stronger