Related Clues:

• Examination of rocklike substance with no carbon content
• Like classic hospital thermometers
• Type of exam or hygiene
• Kind of testimony or surgery
• Grad school grilling
• Kind of thermometer or surgeon
• Taking the floor, flowery in speech
• Like Sabin's vaccine
• Like a spoken exam
• Unwritten, in a way
• Test taking turns in four-ball
• __ arguments
• Viva voce test
• Word with hygiene or vaccine
• __-B