(organic chemistry) The sphinganine that has a chain of seventeen carbon atoms

(of a matrix) Having nonzero entries along the main diagonal, the three diagonals on either side of the main diagonal, and the three diagonals near each corner, only.

(organic chemistry) Any aliphatic aldehyde having seven carbon atoms and two double bonds, but especially 2,4-heptadienal.

(organic chemistry) Any of very many isomeric univalent hydrocarbon radicals, C₁₇H₃₅, formally derived from heptadecane by the loss of a hydrogen atom.

(organic chemistry) Relating to the heptadecyl radical

plural of heptadecyl

plural of heptadienal

(organic chemistry) Any salt or ester of heptadecatrienoic acid

(organic chemistry) Any fatty acid that has seventeen carbon atoms and three double bonds

(chemistry, of a ligand) Capable of attaching to a metal ion at seven points