sin·gu·la·tive 
(sĭnggyə-lā′tĭv, -lə-tĭv)
(sĭnggyə-lā′tĭv, -lə-tĭv)adj.
Of or relating to a linguistic form or construction that expresses a singular entity, often as opposed to a collective, such as rice-grain as opposed to rice.
n.
A singulative form or construction.
[French singulatif, from Latin singillātim, singulātim, one at a time, singly, from singulus, single; see SINGLE.]