principalform
nounUK /ˈprɪnsəpəl fɔːm/
US /ˈprɪnsəpəl fɔːrm/
The main shape or basic version of something.
The principalform of the building is a simple square.
OTHER MEANINGS
2. The most important written version of a word or document.
The principalform of the word is listed first in the dictionary.
3. The leading shape of a crystal before it changes.
Scientists studied the principalform of the crystal under a microscope.
4. The main design that other versions are based on.
The artist drew the principalform before making many copies.