| 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. |
| a gadget; dingus; thingumbob. |
infiltrate in·fil·trate (ĭn-fĭl'trāt', ĭn'fĭl-)
v. in·fil·trat·ed, in·fil·trat·ing, in·fil·trates
To cause a liquid to permeate a substance by passing through its interstices or pores.
To permeate a porous substance with a liquid or gas.