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Meaning of OPTO | Babel Free

Noun CEFR B1

Definitions

Initialism of one-person train operation.

abbreviation, alt-of, initialism

Equivalents

Italiano opto
Português opto

CEFR level

B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

opto-interrupter opto-isolator optoacoustics optobiology optochemokine optochin

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