To represent in words.
To give rise to a geometrical structure.
To introduce a new taxon to science by explaining its characteristics and particularly how it differs from other taxa.
To represent by drawing; to draw a plan of; to delineate; to trace or mark out.
To make (someone or something) no longer noble
Not noble; ignoble; base.
Of a metal, being at the lower end of the electrochemical series, i.e. oxidising readily.