Galactodensimeter (n.)
definition: Same as Galactometer.

Galactodensimeter is a 17 letter word that begins with a G and ends in an R

Gastrohysterotomy (n.)
definition: Caesarean section. See under Caesarean.

Gastrohysterotomy is a 17 letter word that begins with a G and ends in a Y

Great-grandfather (n.)
definition: The father of one's grandfather or grandmother.

Great-grandfather is a 17 letter word that begins with a G and ends in an R

Great-grandmother (n.)
definition: The mother of one's grandfather or grandmother.

Great-grandmother is a 17 letter word that begins with a G and ends in an R

Great-heartedness (n.)
definition: The quality of being greathearted; high-mindedness; magnanimity.

Great-heartedness is a 17 letter word that begins with a G and ends in an S

Gunter's quadrant
definition: A thin quadrant
Made of brass wood etc. showing a stereographic projection on the plane of the equator. By it are found the hour of the day the sun's azimuth the altitude of objects in degrees etc. See Gunter's scale.
Gunter's quadrant is a 17 letter word that begins with a G and ends in a T

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