| ontic |
having true and ultimate existence. |
| on time |
at the correct time for an event that is planned. |
| on tiptoe |
standing or walking on the toes, esp. to proceed quietly or cautiously. [2 definitions] |
| onto |
to a position on or on top of. [2 definitions] |
| onto- |
existence; being. [2 definitions] |
| ontogeny |
the process of biological growth and development of a particular living organism. (Cf. phylogeny.) |
| ontological |
of or pertaining to the philosophical study of existence and the nature of reality. |
| ontological argument |
an a priori argument for the existence of God that asserts that existence is a perfection and that God is the most perfect being, and therefore that God must exist. |
| ontology |
the philosophical study of existence and the nature of reality. |
| on top |
at the highest point (of something), or on the uppermost surface (esp. of something that is tall). [3 definitions] |
| on top of |
in total control. [3 definitions] |
| onto something |
having in mind a unique thought with great potential, or having invented or discovered something with great possibility. |
| onus |
an unwanted but necessary task; burden. [2 definitions] |
| on view |
in a place visible to the public; on display. |
| onward |
toward a point or position ahead, as in space or time. [2 definitions] |
| on welfare |
receiving public aid because of poverty, hardship, or need. |
| -onym |
name; word. |
| onyx |
a kind of banded multi-colored quartz, used as a semiprecious stone. [2 definitions] |
| oo- |
ovum; egg. |
| oocyte |
a cell in the earliest stage of transformation into a female egg; immature egg. |
| oodles |
(informal; sometimes used with a sing. verb) a great quantity. |