Definitions for "allometry"
the study of the relative growth of a part of an organism in relation to the growth of the whole.
the measurement or study of of the changing proportions of the parts of an organism as its overall size changes; "allometric growth" refers to differing growth rates of different features of an organism during development.
The study of the changing proportions of the parts of an organism as size changes, either in individual growth (ontogenetic) or comparing related organisms of different sizes (phylogenetic).
a power function relating different things to each other