Definition: The branch of the science that deals with matter, energy, motion, and force.
The categories are a subset of the regular ASL dictionary. They don't include tidbits, sentences/grammar, printables, and others that are found in the regular ASL dictionary. The related words are linked to the regular ASL dictionary.
The list of each category is not exhaustive, since not all regular entries are linked to the categories. For more complete, use the regular ASL dictionary in the menu.
Georgraphy: There may be regional variations of some ASL words across the regions of North America. Note that many loanwords/signs are borrowed from other countries if not available in ASL.