Bedeutung von “depth” im Essential American English Dictionary

depth

noun us /depθ/

B1 the distance from the top of something to the bottom:

Dig a hole 2 ft. in depth.

the quality of having a lot of knowledge or of being able to think seriously about something:

Her writing shows astonishing depth.
in depth

in a very detailed way:

I have studied this subject in depth.

(Definition von “depth” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)