C c


    • US Pronunciation
    • US IPA
    • [si-truh-leen]
    • /ˈsɪ trəˌlin/
    • US Pronunciation
    • US IPA
    • [si-truh-leen]
    • /ˈsɪ trəˌlin/

Definitions of citrulline word

  • noun citrulline an amino acid that occurs in watermelons and is an intermediate in the formation of urea. Formula: NH2CONH(CH2)3CHNH2COOH 3
  • noun citrulline an amino acid, NH 2 CONH(CH 2) 3 CHNH 2 COOH, abundant in watermelons and an intermediate compound in the urea cycle. 1
  • noun citrulline (amino acid) An amino acid, first isolated from watermelons, that is an intermediate in the urea cycle. 1
  • noun citrulline (biochemistry) An amino acid, first isolated from watermelons, that is an intermediate in the urea cycle. 0

Information block about the term

Origin of citrulline

First appearance:

before 1930
One of the 10% newest English words
1930; < New Latin citrull(us) the watermelon genus (Medieval Latin citrul(l)us, citrolus, Latinization of South Italian citrulo, Tuscan citri(u)olo < Late Latin citrium watermelon (derivative of Latincitrus (see citrus); apparently in reference to the citroncolored fruit of some types of watermelon), with -uolo < Latin -eolus) + -ine2

Historical Comparancy

Parts of speech for Citrulline


citrulline popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 62% of English native speakers know the meaning and use word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

citrulline usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with citrulline

  • what is l citrulline?
  • what is citrulline malate?
  • what is citrulline?
  • where to buy l citrulline?
  • how much l citrulline should i take?
  • what is better l arginine or l citrulline?
  • how long does citrulline take to work?
  • what foods contain citrulline?
  • how much citrulline malate per day?
  • how much l citrulline to take?
  • what foods contain l citrulline?
  • what does l citrulline do for the body?
  • where to buy citrulline malate?
  • where can i buy l citrulline?
  • when to take citrulline?

See also

Matching words

Was this page helpful?
Yes No
Thank you for your feedback! Tell your friends about this page
Tell us why?