variometer /vā-ri-omˈə-tər/

1. An instrument for comparing magnetic forces
2. A variable inductor composed of two connected coils, one rotating inside the other (electronics)
3. An instrument that indicates by a needle the rate of climb and descent (aeronautics)

• umbrella pine
• umbrella plant
• umbrella plants
• umbrellas
• umbrella stand
• umbrella stands
• umbrella tree
• unbeatable
• unbeaten
• unbeautiful
• unbeavered
• unbecoming
• unbecomingly
• unbecomingness
• unbecomingnesses
• unbecomings
• unbed
• unbedded
• unbedding
• unbedimmed
• unbedinned
• unbeds
• unbeen
• unbefitting
• unbefriended