UMBRACULUM
\ʌmbɹˈakjʊləm], \ʌmbɹˈakjʊləm], \ʌ_m_b_ɹ_ˈa_k_j_ʊ_l_ə_m]\
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By Henderson, I. F.; Henderson, W. D.
By J.H. Kenneth
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um-brak'[=u]-lum, n. (bot.) any umbrella-shaped appendage, as the cap borne on the seta of Marchantia.--adjs. UMBRAC'ULATE, nearly covered by a projecting process, as the face of some Orthoptera; UMBRACULIF'EROUS, bearing an umbraculum; UMBRAC'ULIFORM, having the general form of an umbrella, as a mushroom.
By Thomas Davidson
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(bot.). Kinds of umbrella-shaped appendage. Hence umbraculate, umbraculiferous, umbraculiform, aa. [Latin]
By Sir Augustus Henry
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.