Noun
dro (uncountable)
(slang) Marijuana grown hydroponically.
(space science) Abbreviation of distant retrograde orbit.
Abbreviation of digital readout.
Source: en.wiktionary.orgI’d like to use these to attache to the back of my stepper motor shafts on my CNC machine to use as a DRO (Digital Read Out) of the current position. Source: Internet
Rahman said that he plans to propose a regulation to the Board that would make it clear in the job description for CRO and DRO that those who accepted those positions were not to apply for VP positions. Source: Internet