an electrostatic printing process for copying text or graphics whereby areas on a sheet of paper corresponding to the image areas of the original are sensitized with a charge of static electricity so that, when powdered with a toner carrying an opposite charge, only the charged areas retain the toner, which is then fused to the paper to make it permanent.
a photocopying process in which an electrostatic image is formed on a selenium plate or cylinder. the plate or cylinder is dusted with a resinous powder, which adheres to the charged regions, and the image is then transferred to a sheet of paper on which it is fixed by heating
of or relating to structural adaptations of xerophytes that help them store water and withstand drought. adjective (of plants or plant parts) having characteristics that serve as protection against excessive loss of water
a lenten fast observed especially during holy week, const-tuting the strictest fast in the eastern church.
botany. growing in or adapted to dry, especially dry and hot, regions. zoology. living or flourishing in a dry environment. historical examples jungle folk douglas dewar adjective (of plants or animals) adapted for growing or living in dry surroundings
abnormal dryness of the eyeball characterized by conjunctivitis, caused by a deficiency of tears and attributed to a lack of vitamin a. historical examples dietetics for nurses fairfax t. proudfit noun (pathol) excessive dryness of the cornea and conjunctiva, caused by a deficiency of vitamin a also called xeroma (zɪˈrəʊmə)