See Also: Friction rub(medicine)
friction(encyclopedia)
friction(dictionary)
friction(dictionary)
Friction(medicine)
friction sound(medicine)
dynamic friction(medicine)
Friction costs(finance)
Friction costs(money)
static friction(medicine)

friction (iou)



friction noun & verb. M16.
[French from Latin frictio(n-), from frict- pa. ppl stem of fricare rub: see -ION.]
A. noun.
The action of chafing or rubbing the body or limbs, formerly much used in medical treatment. M16.
b. Hairdressing. A massage of the scalp. M20.
The rubbing of one body against another; attrition. E18.
J. Morse The rocks below..are worn many feet deep by the constant friction of the water.
b. Medicine. More fully friction-murmur, friction-sound, etc. A scratching sound heard in auscultation when the pleura or pericardium is roughened by inflammation. L19.
Physics. The resistance which a body encounters in moving over another body. E18.
angle of friction the maximum angle of slope at which one body will remain on another without sliding down. coefficient of friction the ratio between the force necessary to move one surface horizontally over another and the normal force each surface exerts on the other. STATIC friction.
A. S. Eddington Friction which has to be overcome when a train..is kept moving uniformly. F. Hoyle There is very little friction indeed between one icy surface and another.
fig. The jarring or conflict of wills, opinions, temperaments, etc. M18.
T. C. Wolfe The friction between Helen and Eliza was often acute. A. Koestler Constant friction, flaring into heated quarrels.
Attrib. & comb.: Esp. in the sense 'working, esp. transmitting motion, by frictional contact', as friction-brake, friction-clutch, friction-cone, friction-coupling, friction-disc, friction-gear, friction-gearing, etc. Special combs., as friction-ball: used in bearings to lessen friction; friction match: that ignites by friction; friction-murmur, friction-sound: see sense 2b above; friction welding: in which the heat is produced by rotating one component against the other under compression.
b. verb.
verb intrans. Move with friction; sustain friction. rare. M19.
verb trans. Subject to friction; rub. rare. M19.
verb trans. Impregnate (fabric) with rubber by rolling in a calender. M19.
frictionize verb trans. = FRICTION verb 2 M19.
frictionless adjective free from or without friction M19.
frictionlessly adverb L19.