vanitas /vanˈi-tas/

1. A 17c Dutch still-life painting in which motifs such as the hourglass, skull or candle feature as reminders of the transience and vanity of human life and aspirations
2. Any painting of this genre

• thermionic tubes
• thermionic valve
• thermionic valves
• thermions
• thermistor
• thermistors
• thermite
• thermites
• Thermit®
• thermo-
• thermo-balance
• thermo-balances
• thermobaric
• thermochemical
• thermochemically
• thermochemist
• thermochemistry
• thermochemists
• thermocline
• thermoclines
• thermocouple
• thermocouples
• tick bird
• tick birds
• tick box