What is another word for focus mirror?
Pronunciation: [fˈə͡ʊkəs mˈɪɹə] (IPA) 
The term "focus mirror" can have several synonyms based on the context of its usage. For instance, it can be referred to as a concave mirror, which is a mirror with a surface curved inwards. It can also be called a reflecting telescope mirror, especially in astronomical applications. Additionally, the term "parabolic mirror" may be used to describe focus mirrors that have a parabolic shape to direct light to a single point. Other synonyms include a convex mirror, a rearview mirror, and a magnifying mirror. The choice of a synonym depends on the specific application and the properties of the mirror used.
