Dendroaspis angusticeps, a venomous snake native to Africa, the common mamba, eastern green mamba. / Dendroaspis viridis, a venomous snake native to western Africa; the western green mamba.

A property of a system such that an output value is not a strict function of the corresponding input, but also incorporates some lag, delay, or history dependence, and in particular when the respon...

(internal combustion engines) Having multiple intake valves and multiple exhaust valves per cylinder (typically two of each instead of one of each).

plural of chicken-and-egg problem