The word "miniaturized" in this context means that something has been made smaller in size while maintaining the essential features or characteristics of the original object.

Now, let's analyze the options provided:

A. "compressed" - This option suggests that the object has been physically compressed or squeezed, which may not accurately capture the meaning of "miniaturized. ".

B. "abridged" - This option typically refers to condensing or shortening something, such as a text or a story. It does not fully convey the idea of making something smaller in size.

C. "decreased" - This option implies a reduction in size or quantity, which aligns with the concept of "miniaturized. " However, it does not specifically convey the idea of maintaining the essential features or characteristics of the original object.

D. "smaller" - This option is the closest in meaning to "miniaturized. " It directly implies that the object has been made smaller in size while retaining its essential features.

Therefore, the correct answer is D. "smaller. ".