Definitions for Koopmans
ˈkup mənz; ˈtʃɑ lɪŋkoop·mans

Princeton's WordNetRate this definition:0.0 / 0 votes

1. Koopmans, Tjalling Koopmans, Tjalling Charles Koopmansnoun

   United States economist (born in the Netherlands) (1910-1985)

ChatGPTRate this definition:0.0 / 0 votes

1. koopmans

   Koopmans is a surname of Dutch origin. However, in the field of economics, the term is often associated with Tjalling Koopmans, a Dutch American mathematician and economist who won the Nobel Prize in Economics in 1975 for his work on the activity analysis of production. The 'Koopmans' theorem', named after him, is used in quantum chemistry and economics. It states that the first ionization energy of a system is equal to the negative of the orbital energy of the highest occupied molecular orbital (HOMO). So, the term 'Koopmans' could mean different things depending on the context in which it is used.

Surnames Frequency by Census RecordsRate this definition:0.0 / 0 votes

1. KOOPMANS

   According to the U.S. Census Bureau, Koopmans is ranked #48347 in terms of the most common surnames in America.
   
   The Koopmans surname appeared 437 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 would have the surname Koopmans.
   
   93.1% or 407 total occurrences were White.
   2.7% or 12 total occurrences were of two or more races.
   2.2% or 10 total occurrences were of Hispanic origin.
   1.3% or 6 total occurrences were Asian.

Matched Categories

1. • Economist

Usage in printed sourcesFrom: 

1. [["1859","2"],["1860","1"],["1867","1"],["1907","2"],["1912","15"],["1919","2"],["1921","1"],["1926","7"],["1928","1"],["1930","1"],["1936","7"],["1948","3"],["1949","2"],["1950","3"],["1951","1"],["1954","1"],["1958","1"],["1959","2"],["1960","1"],["1961","2"],["1962","6"],["1963","13"],["1964","3"],["1965","2"],["1966","7"],["1967","7"],["1968","17"],["1969","16"],["1970","14"],["1971","9"],["1972","4"],["1973","5"],["1974","15"],["1975","1"],["1976","7"],["1978","2"],["1980","5"],["1981","4"],["1982","2"],["1983","1"],["1984","1"],["1986","3"],["1987","9"],["1988","2"],["1989","1"],["1990","1"],["1991","7"],["1992","1"],["1994","1"],["1995","1"],["1996","5"],["1997","6"],["1998","7"],["1999","2"],["2000","3"],["2001","1"],["2002","5"],["2003","3"],["2004","3"],["2005","5"],["2006","11"],["2007","4"],["2008","2"]]

How to pronounce Koopmans?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say Koopmans in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of Koopmans in Chaldean Numerology is: 1

2. Pythagorean Numerology

   The numerical value of Koopmans in Pythagorean Numerology is: 5

Popularity rank by frequency of use

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=Koopmans
2. ^ ChatGPT
   https://chat.openai.com
3. ^ Surnames Frequency by Census Records
   https://www.census.gov/topics/population/genealogy/data/2010_surnames.html
4. ^ Usage in printed sources
   https://books.google.com/ngrams/graph?content=Koopmans