periscope

Noun

An optical instrument consisting of a tube with mirrors or prisms that allows a person to see objects that are not in their direct line of sight.

ریشه

From the Greek words 'peri-' (around) and 'skopein' (to look), referring to the instrument's ability to look around obstacles.

مثال

• The submarine crew used a periscope to observe the surface.
• The periscope allowed the soldiers to see over the trench without exposing themselves.
• Periscopes are commonly used in submarines and armored vehicles.

ترکیب‌های رایج

Submarine periscope Armored vehicle periscope Use a periscope Look through a periscope