ichidan verb, transitive verb
boil down; reduce; concentrate
Used for cooking: simmering a liquid to reduce volume and intensify flavor. Applies to soup, stock, milk, sauce, etc.
スープを弱火で煮詰めて、味を濃くする。
Simmer the soup over low heat to concentrate the flavor.
Boil down milk to make condensed milk.
ichidan verb, transitive verb
reach a conclusion; finalize a discussion
Figurative extension of the cooking sense: to boil down a discussion or idea until a clear conclusion is reached. Often used in business or meeting contexts.
会議で問題点を煮詰めて、解決策を決めた。
We boiled down the issues in the meeting and decided on a solution.
企画をもう少し煮詰めてから提出しよう。
Let's finalize the plan a bit more before submitting it.