Verb

aus|tauschen

Translation

to exchange, to replace, to swap

Wir können unsere Telefonnummern austauschen.

We can exchange our phone numbers.

Ich muss die alte Batterie austauschen.

I have to replace the old battery.

Die Studenten tauschen sich über das Thema aus.

The students exchange ideas about the topic.

((sth.)) to exchange/replace sth. I have to replace the light bulb.

((sich4)) ((with sb.)) ((about sth.)) to exchange ideas with sb. about sth. The students exchange ideas about the topic.

Synonyms: wechseln (to switch), ersetzen (to replace)

Composed of 'aus-' (out, indicating a complete action) and 'tauschen' (to exchange). It implies a thorough swap.

Think of 'tauschen' as 'to trade'. 'aus-' adds the idea of taking something 'out' to replace it, like swapping out an old car part for a new one.