00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| a gadget; dingus; thingumbob. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
Salk vaccine n.
A vaccine containing inactivated polioviruses, used to immunize against poliomyelitis.
The first vaccine developed for immunization against poliomyelitis. It is named for Jonas Salk, the twentieth-century American scientist who developed it.