opiorphin
opiorphin · opiorphins
A painkilling chemical compound first isolated from human salivaA painkilling chemical compound first isolated from human saliva.
Meaning
1 senses(countable, uncountable)A painkilling chemical compound first isolated from human saliva.
Forms
plural: opiorphins| Singular | opiorphin |
|---|---|
| Plural | opiorphins |
regular
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable