ToolsAll tools
Suggest a tool or feature
Free accountPlus
Sign out
porphyrin (organic chemical essential to hemoglobin and chlorophyll) (loanword)
Report a problem with this entry
It opens full screen from its icon. Recently opened pages also open without a connection.
We’ll email you a 6-digit code. No password needed.
Send a new codeUse another email
Word listDone
