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Origin and history of endothermic

endothermic(adj.)

1869, originally in chemistry, "causing, relating to, or requiring the absorption of heat," from French endothermique (1868, Berthelot); see endo- + thermal. By 1947 in biology, "dependent on or capable of the internal generation of heat; warm-blooded."

also from 1869

Entries linking to endothermic

thermal(adj.)

1756, "having to do with hot springs," from French thermal (Buffon), from Greek thermē "heat, feverish heat" (from PIE root *gwher- "to heat, warm"). The sense of "having to do with heat" is recorded by 1837. The noun meaning "rising current of relatively warm air" is recorded from 1933.

endo-

word-forming element meaning "inside, within, internal," from Greek endon "in, within" (from PIE *en-do-, extended form of root *en "in").

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    architect
    "person skilled in the art of building, one who plans and designs buildings and supervises their construction," 1560s, from French architecte, from Latin architectus, from Greek arkhitekton "master builder, director of works," from arkhi- "chief" (see archon) + tekton "builder, c
    salary
    late 13c., salarie, "compensation, payment," whether periodical, for regular service or for a specific service; from Anglo-French salarie, Old French salaire "wages, pay, reward," from Latin salarium "an allowance, a stipend, a pension," said to be originally "salt-money, soldier
    mirror
    mid-13c., mirour, "polished surface (of metal, coated glass, etc.) used to reflect images of objects," especially the face of a person, from Old French mireoir "a reflecting glass, looking glass; observation, model, example," earlier miradoir (11c.), from mirer "look at" (oneself
    master
    late Old English mægester "a man having control or authority over a place; a teacher or tutor of children," from Latin magister (n.) "chief, head, director, teacher" (source of Old French maistre, French maître, Spanish and Italian maestro, Portuguese mestre, Dutch meester, Germa
    nightcap
    also night-cap, late 14c., "covering for the head, worn in bed," from night + cap (n.). In the alcoholic sense, it is attested from 1818. American English sense of "final event in a sporting contest" (especially the second game of a baseball double-header) is by 1924. Sunday's b
    shark
    "large, voracious fish," by 1560s, perhaps mid-15c., if an isolated instance in a diary quoted in Middle English Compendium is the same word, of uncertain origin. The meaning "dishonest person who preys on others," though attested from 1599 (sharker "artful swindler" in this sens
    blue-blood
    1809 in reference to the blood that flows in the veins of the old and aristocratic families of Spain, translating Spanish sangre azul, claimed by certain families of Castile that held themselves uncontaminated by Moorish or Jewish admixture; the term probably is from the notion o
    Rasputin
    acquired name (Russian, literally "debauchee") of Grigory Yefimovich Novykh (c. 1872-1916), mystic and faith healer who held sway over court of Nicholas II of Russia. His nickname is from his doctrine of "rebirth through sin," that true holy communion must be preceded by immersio
    marry
    c. 1300, marien, of parents or superiors, "to give (offspring) in marriage," also intransitive, "to enter into the conjugal state, take a husband or wife," from Old French marier "to get married; to marry off, give in marriage; to bring together in marriage," from Latin marītāre
    charisma
    1875, "special spiritual gift or power divinely conferred, talent from God" (as on the early Christians in "Acts," etc.), Latinized form of Greek kharisma "favor, divine gift," from kharizesthai "to show favor to," from kharis "grace, beauty, kindness" (Charis was the name of one

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