Questions & Answers about Kjøleskapet er tomt for melk, så jeg går til butikken.
Kjøleskap means a fridge / refrigerator.
Kjøleskapet means the fridge / the refrigerator.
In Norwegian, definiteness is usually added to the end of the noun instead of using a separate word like the in English.
- et kjøleskap = a fridge
- kjøleskapet = the fridge
So Kjøleskapet er tomt for melk literally starts with The fridge is...
Because kjøleskapet is a neuter noun.
The base adjective is tom = empty, but Norwegian adjectives often change form depending on the noun they describe.
- en kopp er tom = a cup is empty
- et kjøleskap er tomt = a fridge is empty
Since kjøleskap is a neuter noun (et kjøleskap), the adjective takes -t:
- tom → tomt
So Kjøleskapet er tomt is grammatically matching the neuter noun.