| micronutrient |
an element that, in extremely small amounts, is necessary for the health of an organism. |
| microorganism |
any microscopic life form such as a bacterium, protozoan, or virus. |
| microphone |
a device that converts sound waves into electronic signals for recording, amplification, or broadcast. |
| microphotograph |
a very small photograph that must be enlarged to be seen in detail. [3 definitions] |
| microplastic |
(usu. pl.) a tiny piece or particle of plastic. |
| microprint |
the printed or positive reproduction of a microphotograph to be viewed or read by means of a magnifying device, such as a projector. |
| microprocessor |
the integrated circuit of a microcomputer, usu. contained on a single silicon chip. |
| micropublishing |
the publication of items, such as documents or newspapers, that have been photographically reduced. |
| microscope |
an instrument using a lens or lenses to magnify extremely small objects, esp. those not visible to the unaided eye. |
| microscopic |
too small to be seen with the unaided eye. [3 definitions] |
| microscopy |
the development of tools and techniques for microscopic investigation. [2 definitions] |
| microsecond |
one millionth of a second. |
| microsurgery |
surgery performed under magnification with precision instruments, as in the repair of severed nerves or blood vessels. |
| microwave |
any extremely high-frequency electromagnetic wave whose wavelength is between one millimeter and one meter. [2 definitions] |
| microwaveable |
combined form of microwave. |
| microwave oven |
an oven that cooks or heats food or beverages quickly using high-frequency electromagnetic radiation. |
| micturate |
to give off urine from the body; urinate. |
| mid1 |
in the middle of (a time period or place). |
| mid2 |
amid or among. |
| mid- |
middle. |
| midair |
any location between very high and low in the air but well off the ground. |