META
\mˈɛtə], \mˈɛtə], \m_ˈɛ_t_ə]\
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Lat. A goal, bound, or turning-point. In old English law, the term was used to denote a bouud or boundary line of land; a landmark; a material object, as a tree or a pillar, marking the position or be- ginning of a boundary line.
By Henry Campbell Black
By Robley Dunglison
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[Greek] A preposition used as a prefix meaning (1) change or exchange; (2) after, next, beyond; (3) in chemistry, a derived or generally an isomeric compound, particularly a benzene derivative in which two alternate atoms (i. e., two neither adjacent nor opposite) of hydrogen in the benzene ring are replaced.
By Alexander Duane
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.