— absorptiometric /ab sawrp'shee euh me"trik, -zawrp'-/ , adj.
/ab sawrp'shee om"i teuhr, -zawrp'-/ , n.
a photoelectric instrument for measuring the concentration of a substance, as a transparent solution, by its absorption of monochromatic light.
[ 1875-80; ABSORPTI(ON) + -O- + -METER ]