0 to take an overdose (= a dangerously large amount) of a drug: --
1 an overdose (= a dangerously large amount) of a drug: --
That is the first symptom of an OD.
He was prosecuted for his role in the musician's fatal OD.
2 abbreviation for optical density : the degree to which an object or material reduces the intensity of light passing through it: --
Optical density (OD) measurement of bacterial cultures is a common technique used in microbiology.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.