semipositive
nonpositive
non-negative
take the rough with the smooth
facultative
downside
almost everywhere
nonnegative
primitive element
well-order
positivity
bounded
affirmative
set-theoretic difference
hold up as
semimeasure
nonoxidatively
inhabited
ordered integral domain
subcombination
pure
complement
Bloom filter
lowest common denominator
impure
valence
Pythagorean quadruple
Pythagorean triple
minus-plus sign
non-stoichiometric
pseudoeffective
productive
biorthonormal
division ring
unit function
underdetect
positiveness
redeeming quality
transcendental
nonparametric
Pareto distribution
nude number
alternating
positive linear functional
multiset
disparate
hemiperfect number
distribution-free
one
sour note