12-Letter Words Containing: XI

• the mathematical process of finding the maximum value of a function

• the act of raising to the highest possible point or condition or position

• extremely high fever (especially in children)

• To convert to a single lexical unit, as a group of words with meaning beyond their parts.

• To establish a set of axioms that describe or govern certain phenomena

• the act of writing dictionaries

• sparring with an imaginary opponent (for exercise or training)

• the degree to which something is toxic to living cells