micro-, micr-

(Greek: small, tiny; also, a decimal prefix used in the international metric system for measurements)

One millionth part of [something]; in the metric system: 10-6 [0.000 001].

microsensor (s) (noun). microsensors (pl)
A very small device used for medical purposes to record such information as temperature changes, movements, etc.: The doctor installed a microsensor in Mr. McLean's injured arm in order to detect his motions during his recovery process.
microsomia
1. A condition of having an abnormally small and underdeveloped yet otherwise perfectly formed body with normal proportionate relationships of the various parts of the body.
2. A body that is abnormally small.

A child with microsomia is considered to have significant undergrowth or smallness of the body.

microsurgery
microsurgical
microtaxonomy
microtherm, microthermy
1. A plant requiring relatively cold habitats with a minimum temperature of 6°C in the coldest months and a range of 10-22°C in the warmest months.
2. A plant that is native to an arctic or alpine region.
microthermic
Living or thriving in a cold climate.
microtomy
microtrichia
1. Minute hairs projecting from the integument, they are formed around cellular filaments.

An integument is a natural outer covering or coat: such as, the skin of an animal or the membrane enclosing an organ or the envelope of an ovule.

2. Minute, hair-like structures found on the wings of certain insects; they resemble small covering hairs, but the absence of basal articulation distinguishes them; fixed hairs; aculei; minute non-movable hairs formed from cuticle; may produce an impression of cloudiness or color.
microwatt
microzoon
A microscopic animal.
Small animals that can be observed under a microscope.
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photomicrograph
A photograph taken through a microscope.
photomicrography
1. The art of obtaining photographs of microscopic objects on a magnified scale.
2. An enlarged photograph of an object viewed with a microscope, as distinguished from a microphotograph.

Related "few, small, less, little" word units: mini-; mio-, meio-; nano-; oligo-, olig-.


Related "metric" families: yotta; zetta; exa; peta; tera; giga; mega; kilo; hecto; deka; deci; centi; milli; nano; pico; femto; atto; zepto; yocto.