Definitions

1. noun

The study of the variation in the size of different body parts or organs in relation to each other, particularly in different species or populations.

“The researchers used alloiometry to compare the proportions of different body parts in the two species of birds.”

2. noun

A measure of the size of an organ or structure relative to the body size of an organism.

“The scientist calculated the allometric ratio of the bird’s wing to its body size.”