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单词 lu
释义

Lun.2

Brit. /ˌɛlˈjuː/, U.S. /ˌɛlˈju/
Origin: Formed within English, by clipping or shortening. Etymon: lutetium n.
Etymology: Symbolic abbreviation for lutetium n.
Chemistry.
The element lutetium.
ΘΚΠ
the world > matter > chemistry > elements and compounds > metals > specific elements > lutetium > [noun]
Lu1907
lutetium1907
cassiopeium1908
1907 tr. G. Urbain in Chem. News 6 Dec. 271/2 I propose lutecium, Lu [Fr. lutécium, Lu], derived from the old name of Paris, for the name of this element.
1939 Physical Rev. 56 21 The half-life of the natural radioactivity of lutecium..is..7·3±2 × 1010 years for Lu176, which probably is the active isotope.
1992 Jrnl. Amer. Chem. Soc. 114 281/2 The variation..proceeding from the lanthanide with the largest eight-coordinate ionic radius, La43..to smallest, Lu (0·977 Å), spans over 3 orders of magnitude.
2009 Jrnl. Alloys & Compounds 481 3/2 The agreement..from the specific heat analysis for Lu trihydride, is really striking.
This is a new entry (OED Third Edition, December 2013; most recently modified version published online March 2022).

> as lemmas

LU
LU n. (also lu) Australian, (of a building) lock-up.
ΘΚΠ
society > inhabiting and dwelling > inhabited place > a building > types of building generally > [adjective] > other specific
standing1624
walk-up1928
LU1969
unlisted1970
mature1975
smart1984
1969 Sydney Morning Herald 24 May 37/2 (advt.) Kitchen, laundry and a L.U. Garage.
1986 Courier-Mail (Brisbane) 9 Aug. 55/3 (advt.) New Markets.., 120 stalls, l.u. premises.
extracted from Ln.
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n.21907
as lemmas
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