Medical Dictionary
x
noun \ˈeks\
plural x's or xs or x'es or xes \ˈek-səz\
Medical Definition of X
: the basic or monoploid number of chromosomes of a polyploid series : the number contained in a single genome—compare n 1
Seen & Heard
What made you want to look up x? Please tell us where you read or heard it (including the quote, if possible).