pupinizedadj.
/ˈpjuːpᵻnʌɪzd/, U.S. /ˈpjupəˌnaɪzd/ Telephony. Now chiefly historical.
Of a telephone cable: provided with loading coils at regular intervals, so as to reduce attenuation and distortion of the signal.
ΘΚΠ
society > communication > telecommunication > telegraphy or telephony > telephony > [adjective] > type of line
loaded1901
pupinized1910
1910 Electrician 13 May 178/1 The attenuation coefficient determines the efficiency of any telephone circuit, and thus of a ‘pupinised’ circuit, so termed because it differs from an ordinary circuit by the introduction of inductance coils at definite points according to the formulæ of Prof. Pupin.
1933 Jrnl. Royal Aeronaut. Soc. 37 463 Although great progress has been made in the construction of pupinised telephone cables, submarine telephony is still limited to relatively short distances.
1958 New Scientist 9 Oct. 990/3 Born..100 years ago on October 4, Pupin was to leave his name perpetuated in a million ‘Pupin coils’, used in telephone lines known as ‘pupinised lines’.
2003 A. A. Huurdemans Worldwide Hist. Telecommunications 322 Electronic line repeaters could be applied to amplify the speech band for long-distance transmission of telephony beyond 100km on pupinized cable.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
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adj.1910