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

• half-crown
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• half-cut
• half-day
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• half-dead
• half-dollar
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• half-done
• half-door
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• half-dozen
• half-duplex
• halfe-horsy
• halfen
• halfendeale
• half-evergreen
• half-face
• half-faced
• half-faces
• half-frame
• half-hardy
• half-hearted
• half-heartedly
• half-heartedness