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Meaning of barothermohygrograph

bar•o•ther•mo•hy•gro•graph

Pronunciation: (bar"u-thûr"mu-hī'gru-graf", -gräf"), [key]
— n. Meteorol.
  1. an automatic instrument for recording pressure, temperature, and humidity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.