additive identity
noun Mathematics.
an element that when added to a given element in a specified set leaves that element unchanged, as zero in the real-number system.
Origin of additive identity
First recorded in 1955–60
Words nearby additive identity
additionality,
additive,
additive color,
additive effect,
additive group,
additive identity,
additive inverse,
additive process,
additory,
addle,
addlebrained