To form such hardened tissue.
A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).
The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece.
The new formation over the end of a cutting, before it puts out rootlets.
A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
To rub (a body part, etc.) across a surface.
To damage someone's reputation by slandering, misrepresenting, or otherwise making false accusations about them, their statements, or their actions.
To become messy or not clear by being spread.
To spread (a substance, especially one that colours or is dirty) across a surface by rubbing.
To make something dirty.
To cause (something) to be messy or not clear by rubbing and spreading it.
To cause (something) to be a particular colour by covering with a substance.
To climb without using footholds, using the friction from the shoe to stay on the wall.
To cover (a surface with a layer of some substance) by rubbing.
To write or draw (something) by spreading a substance on a surface.
(of a substance, etc.) To make a surface dirty by covering it.
To attempt to remove (a substance) from a surface by rubbing.
A Pap smear (screening test for cervical cancer).
A false or unsupported, malicious statement intended to injure a person's reputation.
Any of various forms of distortion that make a signal harder to see or hear.
A mark made by smearing.
A rough glissando in jazz music.
A maneuver in which the shoe is placed onto the holdless rock, and the friction from the shoe keeps it in contact
A preparation to be examined under a microscope, made by spreading a thin layer of a substance (such as blood, bacterial culture) on a slide.