MICROMETER

Pronunciation (US): (GB):

I. (noun)

Sense 1

Meaning:

Caliper for measuring small distances

Synonyms:

micrometer; micrometer caliper; micrometer gauge

Classified under:

Nouns denoting man-made objects

Hypernyms ("micrometer" is a kind of...):

caliper; calliper (an instrument for measuring the distance between two points (often used in the plural))

Sense 2

Meaning:

A metric unit of length equal to one millionth of a meter

Synonyms:

micrometer; micron

Classified under:

Nouns denoting quantities and units of measure

Hypernyms ("micrometer" is a kind of...):

metric linear unit (a linear unit of distance in metric terms)

Meronyms (parts of "micrometer"):

micromillimeter; micromillimetre; millimicron; nanometer; nanometre; nm (a metric unit of length equal to one billionth of a meter)

Holonyms ("micrometer" is a part of...):

millimeter; millimetre; mm (a metric unit of length equal to one thousandth of a meter)

Credits

Context examples:

A unit of length in metric system equal to 10E-6 meter, or micrometer.

(Micron, NCI Thesaurus)

It has a diameter of 10-18 micrometer, and an oval or round nucleus with finely granulated chromatin.

(Myelocyte, NCI Thesaurus)

They found improvements in lung function development were associated with declining levels of nitrogen dioxide; fine particles, which are 2.5 micrometers in diameter or less (found in smoke and haze); and larger particles with diameters up to 10 micrometers (including wind-blown dust).

(Cleaner Air Tied to Healthier Lungs in Kids, NIH)

These new materials will be designed and refined at the picometer scale, which is a thousand times smaller than a nanometer and a million times smaller than a micrometer (which itself is smaller than the width of a human hair).

(Picoscience and a plethora of new materials, National Science Foundation)

The average human hair is about 70 micrometers in diameter, about 30 times larger than the largest fine particle.