(historical) An apparatus for projecting upon a screen, by means of sunlight, an enlarged view of any object; essentially the same as the combination of lenses used in the magic lantern, taken in conjunction with a heliostat.

plural of microaberration

A very small aberration

plural of microaccelerometer

A very small accelerometer

(US) A metal-lined wooden box (or sometimes other container, even e.g. a pit) for cooking a pig or other food in, typically outdoors.

An image produced with a scanning electron microscope.

(anatomy) Of or relating to a microacinus.

(physics, dynamics) A theoretical type of drive that does not conform to Newton's Laws of Motion, violating the conservation of momentum, using a resonant cavity where microwaves are beamed.

A microphone that uses a thin electrically conductive ribbon between the poles of a magnet to produce a voltage by electromagnetic induction.