also: スメアー
noun, noun or participle which takes 'suru'
Used in medical, laboratory, or technical contexts for a thin layer of material spread on a slide for examination, or the act of preparing such a sample. Also used as a suru-verb.
血液スメアを顕微鏡で観察する。
Observe the blood smear under a microscope.
検体をスライドにスメアする。
Smear the specimen onto the slide.