noun
nyūmen; sōmen noodle soup
A warm soup dish made with sōmen noodles and various ingredients in a soy sauce-based broth. Often served in winter as a hot alternative to cold sōmen.
See also: 素麺
寒い日には、温かい煮麺が食べたくなる。
On a cold day, I crave a hot bowl of nyūmen.
この店の煮麺は、野菜と鶏肉がたっぷり入っている。
The nyūmen at this restaurant is loaded with vegetables and chicken.
Sōmen refers to the thin wheat noodles themselves, often served cold. Nyūmen is a hot soup dish made with those noodles.
The word にゅうめん is a combination of 煮 (to boil/simmer) and 麺 (noodles), literally 'simmered noodles'. The alternate kanji 入麺 uses 入 (to put in), reflecting the ingredients added to the soup.