Pertaining to addition; that can be, or has been, added.
Of or pertaining to genes (or the interaction etc. of such genes) which govern the same trait and whose effects work together on the phenotype.
Pertaining to chemical addition.
That is distributive over addition.
Whose operator is identified as addition.
A substance added to another substance or product to produce specific properties in the combined substance.
A word or phrase that adds something, such as also, even, or nor.
Of, pertaining to, or produced by summation.
Denoting forms of assessment used to quantify educational outcomes.