Kun.

Brit.

/ˌkeɪˈjuː/, U.S.

/ˌkeɪˈju/

Origin: Formed within English, by clipping or shortening. Etymon: kurchatovium n.

Etymology: Symbolic abbreviation for kurchatovium n.

Chemistry. Now disused.

(A symbol proposed for) the chemical element, atomic number 104, once called kurchatovium (now called rutherfordium).

ΚΠ

1967 Soviet Radiochem. 9 602 Isotopes of elements that form comparatively volatile chlorides (Sn,Nb,Zr,Hf,Ku).

1971 Inorg. & Nucl. Chem. Lett. vii. 1119 We believe that these comments raise some valid questions as to whether or not ‘element 104 (kurchatovium—Ku) was chemically isolated and identified’.

1987 Progress Particle & Nucl. Physics 19 219 These experiments yielded the new isotopes ²⁵⁵Ku and ²⁵⁶Ku.

This is a new entry (OED Third Edition, December 2013; most recently modified version published online March 2022).

单词	ku
释义	Kun. Brit. /ˌkeɪˈjuː/, U.S. /ˌkeɪˈju/ Origin: Formed within English, by clipping or shortening. Etymon: kurchatovium n. Etymology: Symbolic abbreviation for kurchatovium n. Chemistry. Now disused. (A symbol proposed for) the chemical element, atomic number 104, once called kurchatovium (now called rutherfordium). ΚΠ 1967 Soviet Radiochem. 9 602 Isotopes of elements that form comparatively volatile chlorides (Sn,Nb,Zr,Hf,Ku). 1971 Inorg. & Nucl. Chem. Lett. vii. 1119 We believe that these comments raise some valid questions as to whether or not ‘element 104 (kurchatovium—Ku) was chemically isolated and identified’. 1987 Progress Particle & Nucl. Physics 19 219 These experiments yielded the new isotopes ²⁵⁵Ku and ²⁵⁶Ku. This is a new entry (OED Third Edition, December 2013; most recently modified version published online March 2022). < n.1967
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