This is the 7219th most frequent German word.
ganzjahres
"Ganzjahres" means "year-round" or "all-season."
In this sentence, 'Ganzjahres' is used as a prefix connected with 'reifen', forming the compound noun 'Ganzjahresreifen', meaning 'all-season tire', signifying a tire usable throughout all seasons.
Das ist ein Ganzjahresreifen, der für alle Wetterbedingungen geeignet ist.
This is an all-season tire that is suited for all weather conditions.
Here, 'Ganzjahres' combines with 'karte' creating the compound 'Ganzjahreskarte' which translates to 'annual pass', indicating the pass is valid for the whole year.
Die Ganzjahreskarte ermöglicht den Zugang zum Park für zwölf Monate.
The annual pass permits access to the park for twelve months.
In this instance, 'Ganzjahres' precedes 'geschäft' forming 'Ganzjahresgeschäft'—'year-round business', describing an establishment open throughout all seasons.