see: get up on the wrong side
[on-tik] /ˈɒn tɪk/ adjective, Philosophy. 1. possessing the character of real rather than phenomenal existence; noumenal. adj. 1949, from onto- + -ic. language Object-oriented language for an inference system with a Lisp-like appearance, but based on set theory. [“Ontic: A Knowledge Representation System for Mathematics”, D.A. McAllester, MIT Press 1989]. (1996-06-24)
- On the wrong foot
see: on the right foot
- On the way out
1. About to go out, as in We were on our way out when the phone rang. 2. Going out of fashion, becoming obsolete, as in Full-size cars are on their way out.
oolemma o·o·lem·ma (ō’ə-lěm’ə) n. See zona pellucida.