diaphanometer

[dahy-af-uh-nom-i-ter]

Origin of diaphanometer

First recorded in 1780–90; diaphan(ous) + -o- + -meter
Related formsdi·aph·a·no·met·ric [dahy-af-uh-nuh-me-trik] /daɪˌæf ə nəˈmɛ trɪk/, adjectivedi·aph·a·nom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018