1. Off work, but available to provide a service if requested
   "I'm on call for my patients 4 days a week and every fourth weekend"

Encyclopedia: On call

• trypanosomiasis
• Trypetidae
• trypsin
• trypsinogen
• tryptic
• tryptophan
• tryptophane
• trysail
• tryst
• TSA
• tsar
• tsardom
• tsarevna
• tsarina
• tsarism
• tsarist
• tsaristic
• tsaritsa
• Tsaritsyn
• tsatske
• tsetse
• tsetse fly
• TSH
• tshatshke
• Tshiluba