Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
An amino acid found in animal foods that plays an important role in several physiological processes.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a bitter tasting amino acid found in proteins and necessary for nutrition; its absence from the diet leads to a reduced production of spermatozoa
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: essential amino acid
History
From German Arginin, from Ancient Greek ἄργυρος (árguros, “silver”) and ἀργινόεις (arginóeis, “silvery, brightly shining”) in reference to arginine nitrate crystals' silver-white appearance when first refined from lupin seedlings by Ernst Schulze and Ernst Steiger in 1886.
Across languages
37 source translations are retained for this English entry.
