Abbreviations Rx

Numerous abbreviations are confusing in pharma world.
Is "o.d" once daily or does it have any another meaning ?
What is tsp ? Teaspoon or Tablespoon ? How much "ml" is a teaspoon vs. tablespoon ?
Find information on all such things in this app.
Content includes: 
Commonly used prescription abbreviations 
Latin equivalents (if available)
Antiretroviral drugs abbreviations 
Pharmaceutical formulations abbreviations 
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