(zoology) A sponge spicule with six rays octahedrally arranged, ending with disks.
doxographical
doxographical
adj
relating to doxographers
heterodoxical
heterodoxical
adj
heterodox
hexagrammidae
hexoctahedral
hexoctahedral
adj
Having the form of a hexoctahedron.
hexoctahedron
hexoctahedron
noun
(geometry) A solid with forty-eight equal triangular faces.
hydroxyacetic
hydroxylamine
hydroxylamine
noun
(inorganic chemistry) An explosive inorganic derivative of ammonia, NH₂OH, used as a reducing agent, and in organic synthesis.
(organic chemistry) Any organic derivative of this compound.
hydroxylation
hydroxylation
noun
(organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement of a hydrogen atom
metahydroxide
myxochondroma
myxochondroma
noun
An unusual benign tumor of cartilaginous skeletal tissues (bones, ligaments, and tendons) that is a type of chondroma with myxoid (mucoid) degeneration of chondrocytes.
