hydrogen

BrE /ˈhaɪdrədʒ(ə)n/ AmE /ˈhɑɪdrədʒ(ə)n/

noun en → es

1 CHEMICAL ELEMENT B2

a chemical element that is a colourless, odourless gas and the lightest of all gases; symbol H

hidrógeno

  • hydrogen + noun

Collocations hydrogen fuel cell · hydrogen bomb

  • Hydrogen is used in the manufacture of ammonia.

    El hidrógeno se utiliza en la fabricación de amoníaco.

2 SCIENCE C1

the study or use of hydrogen in science and technology

hidrogenia, estudio del hidrógeno

  • hydrogen + noun

Collocations hydrogen economy · hydrogen research

  • Research into hydrogen as an alternative fuel is ongoing.

    La investigación sobre el hidrógeno como combustible alternativo está en curso.