Pronunciation: ' h ī -gr ə - ˌ graf
Function: noun
Etymology: International Scientific Vocabulary
Date: circa 1864
: an instrument for recording automatically variations in atmospheric humidity
Pronunciation: ' h ī -gr ə - ˌ graf
Function: noun
Etymology: International Scientific Vocabulary
Date: circa 1864
: an instrument for recording automatically variations in atmospheric humidity
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012