00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| the removal of energy or particles from a beam by the medium through which the beam propagates |
| the branch of physics that deals with sound and sound waves |
| orthohydrogen (ˌɔːθəʊˈhaɪdrədʒən) | |
| —n | |
| chem Compare parahydrogen the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction | |