12-Letter Words Containing: M,E,R,I,S,T,E,M

• a change for the better; progress in development

• the act of improving something

• a condition superior to an earlier condition

• to feel or express sympathy or compassion

• The smaller of a pair of conjugating gametes; often the male

• a written explanation or criticism or illustration that is added to a book or other textual material

• to feel or express sympathy or compassion

• an intricate and confusing interpersonal or political situation

• someone who creates new things

• someone who has exceptional intellectual ability and originality

• plan and direct (a complex undertaking)

• Of or pertaining to the meristem