Definition of "multilevel" [multilevel]

• Having several levels: a multilevel parking garage. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The term multilevel selection wasn't coined until later, but the whole point of group selection theory was to solve the problem posed by a conflict between levels of selection."
• "We saw how the dark forces of defection can be defied in spatial games, in games on graphs, games on sets, and also when there is competition not only between individuals but also between groups of individuals so-called multilevel selection."
• "I could not think of a better way to express the idea of multilevel selection and, though I realized the field had a long, troubled, and vexatious history, I began to think about whether it might work in the real world."