a white waxy substance from oil of the sperm whale
Spermaceti (from Greek sperma, seed, and Latin cetus, whale) is a wax that is most often found in the head cavities of the sperm whale (small quantities of spermaceti can be found in the oils of other whales). Originally mistaken for the whale's sperm (due to the name), spermaceti is created in the spermaceti organ inside the whale's head.
例句与用法
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Features : long head that shares about a third of the total length ; a concave forehead ; flat chin stretching to the front ; the spermaceti case containing high fat content is located in the prolapsed occipital bone . besides making candles and ointments , this fat is good ingredient for making precision instrument lubricants 头部特别长，约占身体长度的三分之一，额部下方凹入，平扁的上颔由此向前伸出，头顶之外枕骨下垂构成鲸油器，内藏大量油脂，这种油脂除可制成腊烛和油膏之外，更可提炼成维护精密仪器的润滑剂。
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