Definition of protogenic in English:

protogenic

adjective ˌprəʊtə(ʊ)ˈdʒɛnɪk

Original, primary; of or belonging to the first or earliest stage.

adjective ˌprəʊtə(ʊ)ˈdʒɛnɪk

Chemistry

Of a substance, molecular species, etc.: able to supply a hydrogen atom for protonation; proton-donating; = protic. Opposed to protophilic.

Origin

Mid 19th century; earliest use found in George Edward Day (1815–1872), physician. Irregularly from ancient Greek πρωτογενής first-born, primeval + -ic
1930s; earliest use found in Journal of the American Chemical Society. From proto- + -genic. Compare German protogen, adjective.

Definition of protogenic in US English:

protogenic

adjectiveˌprəʊtə(ʊ)ˈdʒɛnɪk

Original, primary; of or belonging to the first or earliest stage.

adjectiveˌprəʊtə(ʊ)ˈdʒɛnɪk

Chemistry

Of a substance, molecular species, etc.: able to supply a hydrogen atom for protonation; proton-donating; = protic. Opposed to protophilic.

Origin

Mid 19th century; earliest use found in George Edward Day (1815–1872), physician. Irregularly from ancient Greek πρωτογενής first-born, primeval + -ic<br>1930s; earliest use found in Journal of the American Chemical Society. From proto- + -genic. Compare German protogen, adjective.

单词	protogenic
释义	Definition of protogenic in English: protogenic adjective ˌprəʊtə(ʊ)ˈdʒɛnɪk Original, primary; of or belonging to the first or earliest stage. adjective ˌprəʊtə(ʊ)ˈdʒɛnɪk Chemistry Of a substance, molecular species, etc.: able to supply a hydrogen atom for protonation; proton-donating; = protic. Opposed to protophilic. Origin Mid 19th century; earliest use found in George Edward Day (1815–1872), physician. Irregularly from ancient Greek πρωτογενής first-born, primeval + -ic 1930s; earliest use found in Journal of the American Chemical Society. From proto- + -genic. Compare German protogen, adjective. Definition of protogenic in US English: protogenic adjectiveˌprəʊtə(ʊ)ˈdʒɛnɪk Original, primary; of or belonging to the first or earliest stage. adjectiveˌprəʊtə(ʊ)ˈdʒɛnɪk Chemistry Of a substance, molecular species, etc.: able to supply a hydrogen atom for protonation; proton-donating; = protic. Opposed to protophilic. Origin Mid 19th century; earliest use found in George Edward Day (1815–1872), physician. Irregularly from ancient Greek πρωτογενής first-born, primeval + -ic<br>1930s; earliest use found in Journal of the American Chemical Society. From proto- + -genic. Compare German protogen, adjective.
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