(inorganic chemistry) The hydrated ferric cation Fe(H₂O)₆³⁺

(zoology) Having six larval hooks.

(inorganic chemistry) Any compound having six carbonyl groups

(geometry) A nonplanar hexagon whose three diagonals meet.

plural of hexabothriid

Any monogenean of the family Hexabothriidae.

plural of hexabundle

A bundle of many optical fibre cores, each one surrounded by six (or seven) others

(mineralogy) A hexagonal polymorph of celsian.

(geometry) A Catalan solid that has 24 congruent triangular faces and 36 edges and can be imagined as a cube with a square pyramid on each face.