uh-uh - ne
BrE
/ˌʌ'ʌ/
AmE
/ˌʌ'ʌ/

interjection, informal - the sound you make if you want to disagree, refuse something etc.

 
unit - oddíl (učebnice), lekce (část učebnice)
BrE
/'ju:nɪt/
AmE
/'ju:nɪt/

noun - one of the several parts of a textbook with a particular topic

formula
formula - vzorec (např. chemický)
BrE
/'fɔ:mjələ/
AmE
/'fɔ:rmjələ/

noun - a chemical compound written down in the form of letters and numbers

formula
formula - umělá výživa (dětská), sunar
BrE
/'fɔ:mjələ/
AmE
/'fɔ:rmjələ/

noun - the food (kind of milk) some babies get instead of breast milk

 
totem - totem, symbol klanu
BrE
/'təʊtəm/
AmE
/'toʊt̬əm/

noun - a symbol of a clan (usually in the shape of an animal)

doorbell
doorbell - zvonek u dveří
BrE
/'dɔ:ˌbel/
AmE
/'dɔ:rˌbel/

noun - the bell you ring when you want to go to someone's home

 
hog - chamtit, zabírat celé pro sebe
BrE
/'hɒg/
AmE
/'hɑ:g/

verb - to take or steal something greedily, to use the entire thing yourself

 
ghoul - ghúl
BrE
/'gu:l/
AmE
/'gu:l/

noun - an 'undead' monster that lives in the graveyard and eats dead bodies

 
tissue - tkáň (živočišná), pletivo (rostlinné)
BrE
/'tɪʃu:/
AmE
/'tɪʃu:/

noun - a part of an organism formed by cells of the same kind

hotplate
hotplate - plotýnka (na vařiči), plotýnkový vařič
BrE
/'hɒtˌpleɪt/
AmE
/'hɑ:tˌpleɪt/

noun - one of the round parts of a cooker that you cook on

 
discography - diskografie
BrE
/dɪ'skɒgrəfi/
AmE
/dɪ'skɑ:grəfi/

noun - the list of records or CDs recorded by a band/singer etc.

 
nanotechnology - nanotechnologie
BrE
/ˌnænəʊtek'nɒlədʒi/
AmE
/ˌnænoʊtek'nɑ:lədʒi/

noun - the branch of engineering that deals with structures smaller than 100 nanometers

 
testicle - varle
BrE
/'testɪkl/
AmE
/'testɪkl/

noun - one of the two organs in a man's body that produces sperm

 
ovary - vaječník
BrE
/'əʊvəri/
AmE
/'oʊvəri/

noun - one of the two organs in a woman's body that produce eggs

 
scapula - lopatka (anat.)
BrE
/'skæpjələ/
AmE
/'skæpjələ/

noun - one of the two flat bones on both sides of your back