using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
forming an image by the action of light on a specially coated charged plate; the latent image is developed with powders that adhere only to electrically charged areas
an activity that stands as an equivalent of something or results in an equivalent
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DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘pictorial representation'.
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