photovisual
/ˌfəʊtə(ʊ)ˈvɪʒʊ(ə)l/ /ˌfəʊtə(ʊ)ˈvɪzjʊ(ə)l/Astronomy
adjective
1Designating or relating to a lens or optical instrument that brings to the same focus both visible light and light that can only be detected photographically (usually ultraviolet). Also as noun: such a lens or telescope.
2Designating a stellar magnitude determined in terms of the spectral response of the eye by photographically mimicking this response using colour filters.
Origin
Late 19th century; earliest use found in Harper's Magazine. From photo- + visual.
- discursion
- discursive
- discursively
- discursiveness
- discursivity
- discursory
- discus
- discuss
- discussable
- discussant
- discusser
- discussible
- discussion
- discussional
- discussion board
- discussion forum
- discussionist
- discussion program
- discussion programme
- discussive
- discus throw
- discus thrower
- discus throwing
- discutable
- discutant