triarch¹ /trīˈärk/ (botany)

Having three xylem strands in the stele

triarchy /trīˈär-ki/

1. Government by three people
2. A state governed by a triumvirate
3. A state divided into three parts each having its own ruler
4. One of three such parts

trīˈarch noun

1. A ruler of a triarchy
2. A member of a triumvirate

• thermal shock
• thermal shocks
• thermal signature
• thermal signatures
• thermal springs
• -thermic
• thermic
• thermical
• thermically
• thermic lance
• thermic lances
• Thermidor
• Thermidorian
• Thermidors
• thermion
• thermionic
• thermionic emission
• thermionic emissions
• thermionics
• thermionic tube
• thermionic tubes
• thermionic valve
• thermionic valves
• thermions
• thermistor