philadelphia chromosome
Word Rarity
Rare
Frequency: Zipf frequency 3.43 in modern English
42
Scrabble Score
22
Letters
5
Syllables
12
Unique Chars
Meaning
noun
Human chromosome 22, after it has, pathologically, traded some of its genetic material with chromosome 9; this often causes chronic myelogenous leukemia.
Etymology
The abnormality was first discovered and described in 1959 by David Hungerford from the Institute for Cancer Research and Peter Nowell from the University of Pennsylvania School of Medicine. Both facilities are located in Philadelphia, Pennsylvania.