Sentence:  When exposed to the temperature of 32°, it[whale oil] deposits <WSD>stearin</WSD>, and the oil separated from the <WSD>stearin</WSD> by filtration is soluble in 0.82 of pure alcohol when heated to about 168° Fahr. 
Meaning of the word marked with <WSD> tags:  The triglyceride of stearic acid.