narceine
narceine · narceines
An alkaloid contained in opium, occurring as fine white, silky crystals, slightly…An alkaloid contained in opium, occurring as fine white, silky crystals, slightly soluble in water, used as a substitute for morphine.
Meaning
1 senses(countable, uncountable)An alkaloid contained in opium, occurring as fine white, silky crystals, slightly soluble in water, used as a substitute for morphine.
Forms
plural: narceinesLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable