nephridium
/nəfɹˈɪdiəm/
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
18
Scrabble Score
10
Letters
4
Syllables
9
Unique Chars
Meaning
noun
A tubular excretory organ in some invertebrates.
noun
The embryonic excretory organ that develops into the kidney.
Etymology
Etymology tree Proto-Indo-European *negʷʰrós Proto-Hellenic *nekʷʰrós Ancient Greek νεφρός (nephrós) English nephro- English -idium English nephridium From nephro- + -idium.