haploid
adjective
hap·loid ˈha-ˌplȯid 
: having the gametic number of chromosomes typically including one of each pair of homologous chromosomes compare diploid
haploid noun
haploidy
ˈha-ˌplȯi-dē
noun 
Example Sentences
Recent Examples on the Web By rapidly screening many of them, the researchers could isolate cells that stayed haploid after division — about 1 in 1,000. 
Jonathon Keats, Discover Magazine, 19 Dec. 2016 In 2001, Dr. Gianpiero Palermo of the Weill Medical College at Cornell University in New York announced that his team created artificially haploid eggs by borrowing techniques from cloning. Brian Alexander, WIRED, 1 Dec. 2005 This year, a team led by the Hebrew University of Jerusalem finally produced haploid human embryonic stem cells by forcing unfertilized egg cells to divide. Jonathon Keats, Discover Magazine, 19 Dec. 2016
Jonathon Keats, Discover Magazine, 19 Dec. 2016 In 2001, Dr. Gianpiero Palermo of the Weill Medical College at Cornell University in New York announced that his team created artificially haploid eggs by borrowing techniques from cloning. Brian Alexander, WIRED, 1 Dec. 2005 This year, a team led by the Hebrew University of Jerusalem finally produced haploid human embryonic stem cells by forcing unfertilized egg cells to divide. Jonathon Keats, Discover Magazine, 19 Dec. 2016 Word History
Etymology
International Scientific Vocabulary, from Greek haploeidēs single, from haploos
First Known Use
1908, in the meaning defined above
Medical Definition
haploid
adjective
hap·loid ˈhap-ˌlȯid
: having the gametic number of chromosomes or half the number characteristic of somatic cells : monoploid
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