palmitoleic acid

noun

pal·​mit·​ole·​ic acid ˌpal-mət-ō-ˌlē-ik-, ˌpäm-ət- 

: a crystalline unsaturated fatty acid C₁₆H₃₀O₂ occurring in the form of glycerides especially in marine animal oils (as of cod, seals, and whales) and yielding palmitic acid on hydrogenation