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Origin and history of filtration

filtration(n.)

"act or process of filtering," c. 1600, perhaps from French filtration (1570s), noun of action from filter "to filter" (see filter (v.)).

also from c. 1600

Entries linking to filtration

filter(v.)

1570s (transitive), from French filtrer or from Medieval Latin filtrare, from filtrum "felt" (see filter (n.)). The figurative sense is from 1830. Intransitive use from 1798. Related: Filtered; filtering.

filtrate(v.)

1610s, probably a back-formation from filtration or else from Medieval Latin filtratus, from filtrum "felt" (see filter (n.)). Related: Filtrated; filtrating. As a noun, "liquid which has passed through a filter," by 1840.

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    percolation
    "the act of straining or filtering through some porous material," 1610s, from Latin percolationem (nominative percolatio) "a straining through; the act of filtering," noun of action from past-participle stem of percolare "to strain through, filter," from per "through" (from PIE r
    change
    c. 1200, "to alter, make different, change" (transitive); early 13c. as "to substitute one for another;" mid-13c. as "to make (something) other than what it was, cause to turn or pass from one state to another;" from late 13c. as "to become different, be altered" (intransitive),
    infiltration
    "action or process of infiltrating," in physics, 1796, noun of action from infiltrate. Figurative sense of "a passing into" (anything immaterial) is from 1840; military sense of "stealthy penetration of enemy lines" dates from 1930. The same word had been used earlier in a medica
    activity
    c. 1400, "active or secular life," from Old French activité, from Medieval Latin activitatem (nominative activitas), a word in Scholastic philosophy, from Latin activus "active" (see active). The meaning "state of being active, briskness, liveliness" is recorded from 1520s; that
    action
    mid-14c., accioun, "cause or grounds for a lawsuit," from Anglo-French accioun, Old French accion, action (12c.) "action; lawsuit, case," from Latin actionem (nominative actio) "a putting in motion; a performing, a doing; public acts, official conduct; lawsuit, legal action" (sou
    sacrifice
    late 13c., "the offering of something (especially a life) to a deity as an act of propitiation, homage, etc.;" mid-14c., "that which is offered (to a deity) in sacrifice," from Old French sacrifise "sacrifice, offering" (12c.), from Latin sacrificium, from sacrificus "performing
    clout
    Old English clut "lump of something," also "patch of cloth put over a hole to mend it," from Proto-Germanic *klutaz (source also of Old Norse klute "kerchief," Danish klud "rag, tatter," Frisian klut "lump," Dutch kluit "clod, lump"); perhaps related to clot (v.). In later use "a
    teetotal
    "pledged to total abstinence from intoxicating drink," 1834, a word possibly formed from total (adj.) with a reduplication of the initial T- for emphasis (T-totally "totally," though not in an abstinence sense, is recorded in Kentucky dialect from 1832 and is possibly older in Ir
    silhouette
    "portrait in black showing the profile," 1798, from French silhouette, in reference to Étienne de Silhouette (1709-1767), French minister of finance in 1759. The usual reason given is that it was an inexpensive way to make a likeness of someone, and thus the name was a derisive r
    supplant
    c. 1300, supplaunten, "dispossess, acquire (a position from someone) by strategy or scheming" (implied in agent noun supplanter), from Old French suplanter, sosplanter "to trip up, overthrow, drive out, usurp," or directly from Latin supplantare "trip up, overthrow," from assimil

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