ste·a·rin 
(stēər-ĭn, stîrĭn) also ste·a·rine (stēər-ĭn, -ə-rēn′, stîrĭn)
(stēər-ĭn, stîrĭn) also ste·a·rine (stēər-ĭn, -ə-rēn′, stîrĭn)n.
1. See tristearin.
2. The solid form of fat.
[French stéarine : Greek stear, tallow; see stāi- in the Appendix of Indo-European roots + French -ine, -in.]