Optical image
optical image n.
An image formed by the refraction or reflection of light.
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- Optical-illusion
noun 1. See under (def 4). [ih-loo-zhuh n] /ɪˈlu ʒən/ noun 1. something that deceives by producing a false or misleading impression of reality. 2. the state or condition of being deceived; misapprehension. 3. an instance of being deceived. 4. Psychology. a perception, as of visual stimuli (optical illusion) that represents what is perceived in […]
- Opusculum
[oh-puhs-kyuh-luh m] /oʊˈpʌs kyə ləm/ noun, plural opuscula [oh-puhs-kyuh-luh] /oʊˈpʌs kyə lə/ (Show IPA) 1. .
- Opuscule
[oh-puhs-kyool] /oʊˈpʌs kyul/ noun 1. a small or minor work. 2. a literary or musical work of small size. /ɒˈpʌskjuːl/ noun 1. (rare) a small or insignificant artistic work
- Opus dei
/ˈəʊpəs ˈdeɪɪ/ noun 1. another name for divine office 2. an international Roman Catholic organization of lay people and priests founded in Spain in 1928 by Josemaria Escrivá de Balaguer (1902–75), with the aim of spreading Christian principles
- Opv
OPV abbr. oral poliovirus vaccine oral poliovirus vaccine