neutropenia
noun
neu·tro·pe·nia ˌn(y)ü-trə-ˈpē-nē-ə 
: leukopenia in which the decrease in white blood cells is chiefly in neutrophils
neutropenic
ˌn(y)ü-trə-ˈpē-nik
adjective 
Example Sentences
Recent Examples on the Web The 11-year-old has a rare blood disease called chronic cyclic neutropenia, which causes her white cell count to drop dramatically low every three months. 
Suzanne Malveaux, CNN, 25 Apr. 2020
Suzanne Malveaux, CNN, 25 Apr. 2020 Word History
Etymology
New Latin, from neutro- (from International Scientific Vocabulary neutrophil) + -penia
First Known Use
1915, in the meaning defined above
Medical Definition
neutropenia
noun
neu·tro·pe·nia ˌn(y)ü-trə-ˈpē-nē-ə
: leukopenia in which the decrease in white blood cells is chiefly in neutrophils