Third-person singular simple present indicative form of phantasise

Producing ghosts.

The quality of being phantasmal.

(rare) phantasmal

plural of phantom midge

An insect in the dipteran family Chaoboridae.

(energy efficiency) The energy that is lost due to standby electronic activity of equipment that is "off", on standby or sleep mode.

(cosmology, astrophysics, astronomy, physics) A category of dark energy, where dark energy is not fixed in amount nor in density, and continuously increases over time.

plural of phantom type

(computing theory) A parameterized type that does not depend on all of its type parameters.