spinochromeEtymologyFrom spine- + -o- + -chrome, because it comes from the spines of sea urchins.nounAny of a series of chemical compounds:; spinochrome A (2-acetyl-3,5,6,8-tetrahydroxy-1,4-naphthalenedione)Any of a series of chemical compounds:; spinochrome B (2,3,5,7-tetrahydroxy-1,4-naphthalenedione)Any of a series of chemical compounds:; spinochrome C (2-acetyl-3,5,6,7,8-pentahydroxy-1,4-naphthalenedione)Any of a series of chemical compounds:; spinochrome D (2,3,5,6,8-Pentahydroxy-1,4-naphthalenedione)Any of a series of chemical compounds:; spinochrome E (hexahydroxy-1,4-naphthalenedione)