non-count 
adjective Grammar
(Of a noun) not countable.To us they seem like non-count nouns for naming types of stuff....
- Now, vanity is a non-count noun, only very rarely used in the plural.
- But of course, to enforce it you have to be able to distinguish count from non-count nouns.
- microcosmopolitan
- microcrack
- microcracked
- microcracking
- microcredit
- microcrystal
- microcrystalline
- microcrystalline wax
- cytoplast
- cytoproct
- cytopyge
- cytoreductive
- cytosine
- cytosine arabinoside
- cytoskeletal
- cytoskeleton
- cytosol
- cytosolic
- cytosome
- cytostatic
- cytostomal
- cytostome
- cytotaxonomic
- cytotaxonomist
- cytotaxonomy