sympiesometer /sim-pi-i-zomˈi-tər or -somˈ/

1. A barometer with a gas instead of a vacuum
2. An instrument for measuring the pressure of a current

• thirtieth
• thirtieths
• thirty
• thirtyfold
• thirtyish
• Thirty-nine Articles
• thirty-second note
• thirty-second notes
• thirtysomething
• thirtysomethings
• thirty-two-bit
• thirty-twomo
• thirty-twomos
• this
• this and that
• this day week
• this here
• this instant
• thisness
• thisnesses
• this side of
• this side of idolatry
• this, that and the other
• thistle
• thistle butterflies