An Index Contour
•Contour Line: locus of points with constant elevation. •Dense information along the contour line. •Hardly any information across the contour line.
index contour
A contour interval shows a change in elevation on a topographical map. If the contour interval is 20 then the elevation change between two contour lines is 20 meters
The scale of contour lines on a topographic (terrain) map is called the "contour interval".
A U-Boat is, in German, ein U-boot, short for "ein Unterwasserboot". That translates to English as "Underwater Boat". "Underwater", of course, translates to Latin as "Submarine".
Submarine
A submarine.
submarine
hydrofoil
a under water boat hmm... titanic (kidding) submarine
"Unterzee Boot": Literally, "underwater boat".
the name of a boat that goes underwater is called a SUBMARINE.
a submarine
Assignment Underwater - 1960 Boat Missing 1-22 was released on: USA: 3 February 1961
underwater craft, submersible, U-boat
You probably want to know about a "U-Boat", from "Unterseeboot", German for Undersea Boat, or, in other words, a submarine. So the answer is "underwater".