\ˈə͡ʊpənnəs], \ˈəʊpənnəs], \ˈəʊ_p_ə_n_n_ə_s]\
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By DataStellar Co., Ltd
characterized by an attitude of ready accessibility (especially about one's actions or purposes); not secretive
By Princeton University
By Nuttall, P.Austin.
By Stormonth, James, Phelp, P. H.
Word of the day
- a threadlike extension of nerve cell Slender processes of neurons, especially the prolonged axons that conduct nerve impulses. One units trunk; it is axis process a neuron and medullated, i. e. white substance Schwann (myelin), medullated; either the medullated non-axis-cylinder or may not be surrounded by primitive sheath neurilemma, so that there are four forms of nerve-fibers.