arsis /ärˈsis/ (classical prosody and music)

1. Literally, a lift, an up-beat
2. Hence the weak position in a bar or foot
3. Understood by the Romans as the strong position
4. Used in English in both senses, opp to thesis
5. Elevation of the voice to higher pitch obsolete

• propellants
• propelled
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• propeller
• propeller-blade
• propeller-blades
• propeller fan
• propeller-head
• propeller-heads
• propellers
• propeller shaft
• propeller shafts
• propelling
• propelling pencil
• propelling pencils
• propelment
• propelments
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• propenal
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• propends