This is the 14992nd most frequent Polish word.
rozgrzanego
"Heated"
Here, 'rozgrzanego' is an adjective in masculine form that modifies 'pieca' (oven). It emphasizes the state or condition of the oven being heated.
Dotknąłem rozgrzanego pieca i poparzyłem sobie rękę.
I touched the heated oven and burned my hand.
In this sentence, 'rozgrzanego' describes 'oleju' (oil) and specifies the necessity of vigilance when the oil is in a heated state.
Nie powinno się zostawiać rozgrzanego oleju bez nadzoru.
Heated oil should not be left unattended.
Here, 'rozgrzanego' describes 'silnika' (engine) and indicates its state of being warmed or heated up due to operation.