Word Pronunciation & Dictionary

leucine

/ˈluː.siːn/

Word Rarity Very rare

Frequency: 2.43 in modern English

Syllables
leucine
IPA
/ˈluː.siːn/
9
Scrabble Score
7
Letters
1
Syllables
6
Unique Chars

Meaning

noun

An essential amino acid, C₆H₁₃NO₂, isomeric with isoleucine, found in most animal proteins; it is essential for growth in children.

Countable; Uncountable

Example Sentences

Etymology

Etymology tree Proto-Indo-European *lewk- Proto-Indo-European *-ós Proto-Indo-European *lewkós Proto-Hellenic *leukós Ancient Greek λευκός (leukós) English -ine English leucine Derived from Ancient Greek λευκός (leukós, “white”) + -ine, equivalent to leuco- + -ine.

Origin

Word Breakdown

  • Root: λευκός

Usage

Inflected Forms

Derived Forms

Phrases

Synonyms

Rhymes With

Questions

How do you pronounce leucine?
The recorded pronunciation is /ˈluː.siːn/.
What does leucine mean?
An essential amino acid, C₆H₁₃NO₂, isomeric with isoleucine, found in most animal proteins; it is essential for growth in children.
Where does leucine come from?
It is traced to Ancient Greek.

How to pronounce leucine

  1. Open the pronunciation page — Open the Speakur entry for “leucine”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˈluː.siːn/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “leucine”.
  4. Repeat and practice — Say “leucine” aloud, matching stress and vowels until it feels natural.