You searched for: “cretaceous
cretaceous (adjective) (not comparable)
Pertaining to chalk: The white sticks the children used for drawing or writing on the school's blackboard were of a cretaceous nature and produced quite a large amount of white residue when in use.
This entry is located in the following unit: -aceous, -acea, -aceae, -aceaen, -aceus (page 2)