The upper or principal extremity of various things, esp. when projecting, distinct, removable, or of… Chemistry. In an alembic: the upper part or…
| 单词 | θ212818 | 
| 释义 | society > occupation and work > equipment > still > 			[noun]		 > vessel of > cover for (3)		 heada1475 The upper or principal extremity of various things, esp. when projecting, distinct, removable, or of… Chemistry. In an alembic: the upper part or… mitre1605 The head of an alembic or still. Obsolete. blind-head1662 A cover for an alembic or retort; a retort with such a cover. | 
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