calfactant
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
17
Scrabble Score
10
Letters
3
Syllables
6
Unique Chars
Meaning
noun
An intratracheal suspension derived from the natural surfactant in calf lungs, used to treat premature infants with lung surfactant deficiency that causes infant respiratory distress syndrome.
Uncountable