Medical Definition of porphyroxine
: a crystalline opium alkaloid C19H23NO4 whose solution in dilute acid turns red on exposure to air
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
- On Contractions of Multiple Words
- A Look at Uncommon Onomatopoeia
- Is Singular 'They' a Better Choice?