peak flow meter
n.
A portable instrument that detects minute decreases in air flow and that is used by people with asthma to monitor small changes in breathing capacity.
Words nearby peak flow meter
pyroborate,
pyrocatechol,
pyrocellulose,
pyrochemical,
pyrochlore,
peak flow meter,
pyroconductivity,
pyrocrystalline,
pyroelectric,
pyroelectricity,
pyrogallate