/glooh'teuh ral"deuh huyd'/ , n. Biochem.
a nonflammable liquid, C 5 H 8 O 2 , soluble in water and alcohol, toxic and an irritant, used for tanning leather and as a fixative for samples to be examined under the electron microscope.
[ 1950-55; GLUTAR(IC ACID) + ALDEHYDE ]