HELIO
\hˈɛlɪˌə͡ʊ], \hˈɛlɪˌəʊ], \h_ˈɛ_l_ɪ__ˌəʊ]\
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in comb. =Greek helios sun, as: -centric, as viewed from centre of sun, taking sun as centre; -chromy, photographic representation in natural colours; -gram, message by heliograph (3); -graph, n., (1) engraving obtained by exposure to light, (2) apparatus for photographing sun, (3)signalling apparatus reflecting flashes of sunlight -graph, v.t., send message by heliograph, photograph by heliography; -graphic, of heliography; -graphy, description of the sun, engraving process, signalling by heliograph; -gravure, photogravure; -meter, instrument for finding angular distance between two stars (orig. for measuring diameter of sun); -scope, apparatus for observing sun without injury to eye; -tropic, -tropism, (of plants) turning, property of turning, in particular way under influence of light; -type, picture obtained from gelatine film exposed to light.
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.