excretin
A non-nitrogenous crystalline substance, formerly thought to be present in small…A non-nitrogenous crystalline substance, formerly thought to be present in small quantities in human feces.
Meaning
1 senses(dated, uncountable)A non-nitrogenous crystalline substance, formerly thought to be present in small quantities in human feces.
Origin
From excrete + -in.From excrete + -in.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable