noun
neck chain
A chain worn around the neck, typically as a fashion accessory or for holding a pendant.
彼は新しいネックチェーンを買った。
He bought a new neck chain.
そのネックチェーンには小さなペンダントが付いている。
A small pendant is attached to that neck chain.
Variant spelling with a middle dot; less common in everyday writing.
ネックレス is the more common general term for a necklace, while ネックチェーン specifically emphasizes the chain itself, often without a pendant or as a base for one.
Loanword from English 'neck chain'.