Definition of porometer in English:

porometer

Pronunciation /pɒˈrɒmɪtə/ /pɔːˈrɒmɪtə/

noun

  • An instrument for measuring the degree of porosity; specifically one for estimating the sizes of the stomata of leaves by measuring the rate at which air can be passed through them.

Origin

Early 20th century. From poro- + -meter.