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Origin and history of reactant

reactant(n.)

"a reacting thing," 1901, from react + -ant. As an adjective by 1911. Related: Reactance (1893).

also from 1901

Entries linking to reactant

react(v.)

1640s, "to exert, as a thing acted upon, an opposite action upon the agent," from re- "back" + act (v.). Related: Reacted; reacting (1610s). For sense development, see reaction.

The word meaning "perform again, do a second time" (often written re-act and given full pronunciation of the prefix to distinguish it from react) is attested from 1650s, from the "again" sense in re-.

-ant

agent or instrumental suffix, from Old French and French -ant, from Latin -antem, accusative of -ans, present-participle suffix of many Latin verbs. Compare -ance.

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    confess
    late 14c., transitive and intransitive, "make avowal or admission of" (a fault, crime, sin, debt, etc.), from Old French confesser (transitive and intransitive), from Vulgar Latin *confessare, a frequentative form from Latin confess-, past participle stem of confiteri "to acknowl
    apprehension
    late 14c., "perception, comprehension," from Old French apreension "comprehension, something learned" or directly from Latin apprehensionem (nominative apprehensio) "a seizing upon, laying hold of; understanding," noun of action from past-participle stem of apprehendere "take hol
    obey
    c. 1300, obeien, "carry out the commands of (someone); submit to (a command, rule, etc.); be ruled by," from Old French obeir "obey, be obedient, do one's duty" (12c.), from Latin obedire, oboedire "obey, be subject, serve; pay attention to, give ear," literally "listen to," from
    coroner
    title of a county or municipal officer with certain duties, mid-14c. (mid-13c. as a surname), corouner, from Anglo-French curuner, from Anglo-Latin custos placitorum coronae (late 12c.), originally the title of the officer with the duty of protecting the private property of the r
    apply
    late 14c., "join or combine (with); attach (to something), adhere," from Old French aploiier "apply, use, attach" (12c., Modern French appliquer), from Latin applicare "attach to, join, connect;" figuratively, "devote (oneself) to, give attention," from ad "to" (see ad-) + plicar
    intuition
    mid-15c., intuicioun, "insight, direct or immediate cognition, spiritual perception," originally theological, from Late Latin intuitionem (nominative intuitio) "a looking at, consideration," noun of action from past participle stem of Latin intueri "look at, consider," from in- "
    penance
    c. 1300, penaunce, "religious discipline or self-mortification as a token of repentance and as atonement for some sin; sorrow for sin shown by outward acts under authority and regulation of the Church," from Anglo-French penaunce, Old French peneance (12c.), from Latin pænitentia
    strategy
    1810, "the art of a general, the science of war," from French stratégie (16c.) and directly from Latinized form of Greek stratēgia "office or command of a general," from stratēgos "general, commander of an army," also the title of various civil officials and magistrates, from str
    symbiosis
    1876, as a biological term, "union for life of two different organisms based on mutually benefit," from Greek symbiosis "a living together," from symbioun "live together," from symbios "(one) living together (with another), partner, companion, husband or wife," from assimilated f
    gentile
    "one who is not a Jew," c. 1400; earlier "one who is not a Christian, a pagan" (late 14c.), from Late Latin noun use of Latin gentilis "of the same family or clan, of or belonging to a Roman gens," from gens (genitive gentis) "race, clan" (from PIE root *gene- "give birth, beget,

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