As nouns the difference between methodology and profilometry
is that methodology
is the study of methods used in a field while profilometry
is the use of a technique in the measurement and profiling of an object.
The study of methods used in a field.
(proscribed) A collection of methods, practices, procedures and rules used by those who work in some field.
The implementation of such methods etc.
Etymologically, methodology' refers to the ''study'' of methods. Thus the use of '''methodology as a synonym for (methods) (or other simple terms such as ''means,'' ''technique,'' or ''procedure ) is proscribed as both inaccurate and pretentious.
The use of a technique in the measurement and profiling of an object.
The methodology of performing eddy current profiling of tubing.
:The profilometry of the tubing was conducted directly following the eddy current exam.
The technique in which a diamond stylus, in contact with a sample, measures surface variations as a function of position.
The use of a laser or white-light, computer-generated projections to perform surface measurements of three dimensional objects.
:Surface profilometry was used to measure the film thickness.
* eddy current