EMBER-DAYS
\ˈɛmbədˈe͡ɪz], \ˈɛmbədˈeɪz], \ˈɛ_m_b_ə_d_ˈeɪ_z]\
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em'b[.e]r-d[=a]z, n.pl. the three Fast-days in each quarter (Wednesday, Friday, Saturday)--following the first Sunday in Lent, Whitsunday, Holy Cross Day (Sept. 14th), and St Lucia's Day (Dec. 13th).--n. EM'BER-WEEK, the week in which the ember-days occur. [A.S. ymbryne, a circuit--ymb, round (Ger. um, L. ambi-), and ryne, a running, from rinnan, to run.]
By Thomas Davidson
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.