That is Russian language: the translation of it is: hand anti-tank grenade launcher. It is nothing to do with science though...
RGD stands for the Russian phrase "Ruchnaya Granata Degtyaryova", which means "Degtyaryov(-style) hand grenade". The name comes from Soviet weapons designer Vasily A. Degtyaryov (1880-1949).
well i know that some of the words they are saying mean. some of the self explanatory ones are "grenada!" which means grenade in Russian. others are what the other factions say just in russian. like Tango down or We have the bomb.
The grenade will be shot
Rocket Propelled Grenade
A hand grenade.
That's an unusual grenade you have there. I'll need another grenade, Sarge!
A frag grenade is a sphere shaped grenade and a pineapple grenade is narrow but some what wide, but there is no difference in explosions. I mean, one might go farther when you throw it but who knows.
Unlike what most people think, rpg does not stand for rocket propelled grenade, but instead ruchnoy protivotankovyy granatomyot which is Russian. It translates into hand held anti-tank grenade launcher.
A grenade can be a variety of different colors. The M67 grenade is an olive green with a yellow band at the top
The hand grenade hasn't been replaced - it's still in use worldwide, even with the most technologically advanced military forces. Rifle grenade launchers, grenade launchers, and underbarrel grenade launchers were developed not to replace the hand grenade, but as a means of filling the gap between a thrown hand grenade and a mortar.
The song writer for Grenade is Bruno Mars.