elongated

This term carries a clinical or technical precision, often used in biology, anatomy, or geometry to describe a specific proportion. It suggests a deviation from a standard or round shape, implying a stretching effect that is often functional or intentional. When used as a verb, it implies a deliberate modification of form. While "lengthen" is a general term for adding size, "elongate" specifically emphasizes the change in the object's proportions, often resulting in a slender or distorted appearance.