This is the 7775th most frequent Russian word.
ин
The word "ин" is not a standalone word in Russian; it may be part of another word or a typographical error.
In this sentence, 'ин' appears in 'джаз-фьюжн' (jazz-fusion), referencing a music style.
Он играет на шестиструнной гитаре в стиле джаз-фьюжн.
He plays the six-stringed guitar in the jazz-fusion style.
Here, 'ин' is part of 'ужин' (dinner), referring to a meal taken in the evening.
В семье наших соседей есть обычай устраивать ужин раз в неделю.
In the family of our neighbors, there is a custom of having dinner once a week.
In this context, 'ин' is contained in 'учёный' (scientist), denoting a professional occupation.