The state or quality of being perplexed; puzzled or confused.
Something that perplexes.
In information theory, a measurement of how well a probability distribution or model predicts a sample.
To treat with a solution.
A homogeneous mixture, which may be liquid, gas or solid, formed by dissolving one or more substances.
An act, plan or other means, used or proposed, to solve a problem.
An answer to a problem.
A product, service or suite thereof, especially software.
The act of dissolving, especially of a solid by a fluid; dissolution.