Library / English Dictionary

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.

(Pregnancy hypertension risk increased by traffic-related air pollution, National Institutes of Health)