| onto- | |
| —combining form | |
| existence or being: ontogeny; ontology | |
| [from Late Greek, from ōn (stem ont-) being, present participle of einai to be] | |
| 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. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
onto- or ont-
pref.
Organism; being: ontogeny.