3 Noun 0 Verb 1 Adj. 0 Adv.
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ENapicalNoun
EN
A thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell
cell membranecytomembraneplasma membrane
bn:00017036n Concept
EN
In chemistry, a trigonal bipyramid formation is a molecular geometry with one atom at the center and 5 more atoms at the corners of a triangular bipyramid.
trigonal bipyramidal molecular geometry
bn:01170248n Concept
EN
A sound produced by obstructing the air passage with the tip of the tongue.
bn:27109775n Concept
ENapicalAdjective
EN
Situated at an apex
bn:00097310a Concept