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in the PONS Dictionary

op·ti·cal [ˈɒptɪkəl, Am ˈɑ:p-] ADJ inv

optical
optical angle PHYS
Blickwinkel m <-s, ->
optical antipode CHEM
Antipode f <-n, -n>
optical antipode CHEM
Enantiomer nt <-s, -e>

optic, optical ADJ

op·ti·cal ˈfi·bre, Am op·ti·cal ˈfi·ber N

optical fibre
Glasfaser f <-, -n>
optical fibre
Lichtleitfaser f <-, -n>

op·ti·cal ˈglass N no pl

optical glass

op·ti·cal il·ˈlu·sion N

op·ti·cal ˈmicro·scope N

optical industry N

optical industry

optical axis <pl axes> N

optical axis

op·ti·cal lat·tice N PHYS

op·ti·cal ˈbar read·er N

optical bar reader
Balkencodeleser m <-s, ->

op·ti·cal ˈchar·ac·ter read·er N, OCR N COMPUT

op·ti·cal char·ac·ter rec·og·ˈni·tion N, OCR N COMPUT