IPA: /ˌtraɪdɪˈmɛnʃənl/
KK: /trɪˈdaɪˈmɛnʃənl/
Relating to or having three dimensions, which means it has length, width, and height.
The artist created a tridimensional sculpture that could be viewed from all angles.
Tridimensional → It is formed from "tri-" (meaning three) and "dimensional" (from Latin "dimensio", meaning measurement). The word "tridimensional" refers to something that has three measurements or dimensions, such as length, width, and height.
Think of 'tri-' meaning three, and 'dimensional' relating to measurements — so tridimensional describes something that has three measurements.