definitions
  • synonyms

Lu

[ loo ]
/ lu /
|

noun

a male or female given name, form of Lou.

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Definition for lu (2 of 2)

Lu


Symbol, Chemistry.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lu

British Dictionary definitions for lu (1 of 3)

lu


the internet domain name for

Luxembourg

British Dictionary definitions for lu (2 of 3)

Lu


the chemical symbol for

lutetium

British Dictionary definitions for lu (3 of 3)

LU

/ physics /

abbreviation for

loudness unit
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for lu

Lu


The symbol for the elementlutetium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for lu (1 of 2)

Lu


The symbol for lutetium.

Science definitions for lu (2 of 2)

lutetium

[ lōō-tēshē-əm ]

Lu

A silvery-white metallic element of the lanthanide series that is used in nuclear technology. Its radioactive isotope is used in determining the age of meteorites. Atomic number 71; atomic weight 174.97; melting point 1,663°C; boiling point 3,395°C; specific gravity 9.840 (at 25°C); valence 3. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.