TV series example of the word

The Big Bang Theory Season 10, Episode 19
We did the propagation only to the occipital lobe,
প্রসারণ, প্রচার, বিস্তার, উত্পাদন
(1) The spreading of something (a belief or practice.
(2) The act of producing offspring or multiplying by such production.
(3) The movement of a wave through a medium.
(4) The spreading of something (a belief or practice) into new regions.
(5) Procreation.
(6) Diffusion.
multiplication
generation
The Big Bang Theory Season 10, Episode 19
We did the propagation only to the occipital lobe,