a. The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.
b. The expression of a specific trait, such as stature or blood type, based on genetic and environmental influences.
2. An individual or group of organisms exhibiting a particular phenotype.
phe′no·typic (-tĭpĭk), phe′no·typi·cal (-ĭ-kəl) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.