English to English Dictionary

Microorganisms

A microscopic organism, especially a bacterium, virus, or fungus.

Microphone

An instrument used to convert sound waves into electrical energy for recording or amplification.

Microphyll

A type of plant leaf with one single, unbranched vein or vascular strand, typically small in size and characteristic of primitive vascular plants like clubmosses.

Microplastic

Extremely small pieces of plastic debris resulting from the breakdown of consumer products and industrial waste.

Microplastics

Extremely small pieces of plastic debris resulting from the disposal and breakdown of consumer products and industrial waste, typically measuring less than five millimeters in length.

Microscopically

By means of a microscope; so as to be visible or discoverable only with a microscope.

Microtubule

A microscopic tubular structure present in numbers in the cytoplasm of cells, sometimes aggregating to form more complex structures such as the mitotic spindle.

Microvessel

A very small blood vessel, such as a capillary, arteriole, or venule, that forms part of the microcirculation.

Microworld

A small, self-contained environment or system that can be studied or manipulated.

Mid-Atlantic

Relating to or situated in the central region of the Atlantic Ocean, or the central eastern states of the United States.

Mid-Level

Referring to a position, rank, or quality that is intermediate between high and low.

Mid-Season

The middle part of a season, especially in sports or fashion.