(uncountable) The condition of being positive (in all senses); positivism. Optimism. / (countable) The result of being positive.

The giving of encouragement to a person who exhibits a particular behaviour with the result that such behaviour is repeated.

Synonym of assortative mating

Of or pertaining to positivism.

(electronics) The point in time when a signal's value becomes high.

(electronics) Describing a circuit or component that changes its state only when an input signal becomes high.

plural of positiveness

plural of positivity

(economics) The branch of economics that concerns the description and explanation of economic phenomena and their causal relationships

(medicine) Of a blood type within the ABO and Rh blood grouping system. Blood type A positive has a phenotype of "A" and a Rhesus system classification of positive.