ˈ ̷ ̷ ̷ ̷+ˌskōp noun
Etymology: International Scientific Vocabulary hydr- + -scope; probably originally formed as Italian idroscopio
: a device for enabling a person to see an object at a considerable distance below the surface of water by means of a series of mirrors enclosed in a steel tube — compare water glass
• hy·dro·scop·ic | ̷ ̷ ̷ ̷|skäpik also hy·dro·scop·i·cal -pə̇kəl adjective