smear, cytologic smear, cytosmear -- (a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope)
blot, smear, smirch, spot, stain -- (an act that brings discredit to the person who does it; "he made a huge blot on his copybook")
Overview of verb smear
The verb smear has 4 senses
smear -- (stain by smearing or daubing with a dirty substance)
smear, blur, smudge, smutch -- (make a smudge on; soil by smudging)
daub, smear -- (cover (a surface) by smearing (a substance) over it; "smear the wall with paint"; "daub the ceiling with plaster")
defame, slander, smirch, asperse, denigrate, calumniate, smear, sully, besmirch -- (charge falsely or with malicious intent; attack the good name and reputation of someone; "The journalists have defamed me!" "The article in the paper sullied my reputation")