HomeServicesBlogDictionariesContactSpanish Course
Home › Dictionary › English › protopine
← Back to search

Meaning of protopine | Babel Free

Noun CEFR B2

Definitions

A benzylisoquinoline alkaloid occurring in plants of the family Papaveraceae that has partial agonism for mu and delta opioid receptors, these effects are nalaxone reversible.

uncountable, usually

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

protoplanet protoplanetary disk protoplanetary nebula protoplanetesimal Protoplasm Protoplasmic

Learn this word in context

See protopine used in real conversations inside our free language course.

Start Free Course