watt·me·ter 
(wŏtmē′tər)
(wŏtmē′tər)n.
An instrument for measuring in watts the power flowing in a circuit.
- perovskite
- peroxidase
- peroxide
- peroxidic
- peroxisomal
- peroxisome
- peroxy-
- peroxyacetyl nitrate
- perp
- perp.
- perpend
- perpendicular
- perpendicularity
- perpendicularly
- perpetrate
- perpetration
- perpetrator
- perpetual
- perpetual calendar
- perpetually
- perpetual motion
- perpetuance
- perpetuate
- perpetuation
- perpetuator