As nouns the difference between crowns and cryptand
is that crowns is while cryptand is (chemistry) any of a class of polycyclic compounds related to the crown ethers, having three chains attached at two nitrogen atoms.
As a verb crowns
is (crown).
crowns
English
Noun
(head)
Verb
(head)
(crown)
cryptand
English
Noun
(
wikipedia cryptand)
(
en noun)
(chemistry) any of a class of polycyclic compounds related to the crown ethers, having three chains attached at two nitrogen atoms