null

US /nʌl/
UK /nʌl/
1.

vô giá trị

a zero.

1.

vô giá trị

combine (a signal) with another in order to create a null; cancel out.

:
the tumor can be more readily identified by nulling the high signal from bone marrow
1.

vô giá trị

having no legal or binding force; invalid.

2.

vô giá trị

having or associated with the value zero.