Translation guide
A device for grinding coffee beans. In Japanese, the most common term is コーヒーミル, a loanword from English. There are also native terms and distinctions between manual and electric grinders.
The learner wants to refer to a coffee grinder in everyday conversation.
The most common and widely understood term. It covers both manual and electric grinders.
I bought a new coffee grinder.
Also common, especially for electric grinders. Slightly more technical feel.
I want an electric coffee grinder.
A native Japanese term, literally 'coffee grinder'. Less common in modern speech, but may appear in traditional contexts or product names.
This coffee grinder is manual.
The learner wants to specify a hand-operated grinder.
The learner wants to specify an electric grinder.
The standard term for an electric coffee grinder.
An electric coffee grinder saves time.
Also common, especially in technical contexts.
Both are widely understood. コーヒーミル is slightly more common in everyday speech, while コーヒーグラインダー may be preferred in technical or commercial settings. For manual grinders, 手動のコーヒーミル is clear and natural.
I like grinding beans with a hand-grinding coffee mill.
This electric coffee grinder has sharp blades.