1. The ordinal number of thirty-eight in counting order
   - 38th

See also: ordinal

• thermic fever
• Thermidor
• thermion
• thermionic
• thermionic current
• thermionic emission
• thermionic tube
• thermionic vacuum tube
• thermionic valve
• thermionics
• thermistor
• thermo-
• thermoacidophile
• thermobaric bomb
• Thermobia
• Thermobia domestica
• thermocautery
• thermochemical
• thermochemistry
• thermocline
• thermocoagulation
• thermocouple
• thermocouple junction
• thermodynamic
• thermodynamical