Breadcrumb Home > Thesaurus > P Synonyms of phenylalanine Find synonyms for: Noun 1. phenylalanine, essential amino acid usage: an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of phenylalanine (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: panache Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language