Non-stop.

A long search for something.

Able to be maintained at a certain rate or level.

Failed to attain an achievement, or something desired or pursued.

Make an exact copy of; reproduce.

Extremely small; tiny.

Equal in value, amount, function, meaning, etc.

A solution or remedy for all difficulties or diseases.

A confusing and difficult problem or question.

Limitless or endless in space, extent, or size; impossible to measure or calculate

A sudden, dramatic, and important discovery or development

Producing a great deal of profit.

Making no net release of CO2 to the atmosphere, especially through offsetting emissions by planting trees.

A disastrous event caused by the overheating or the reactor core in a nuclear reactor.