morphology:; a scientific study of form and structure, usually without regard to function, especially:; (linguistics) the study of the internal structure of morphemes (words and their semantic building blocks). / morphology:; a scientific study of form and structure, usually without regard to function, especially:; (biology) the study of the form and structure of animals and plants. / morphology:; a scientific study of form and structure, usually without regard to function, especially:; (geology) the study of the structure of rocks and landforms.