MICROMETER

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does micrometer mean? 

• MICROMETER (noun)
  The noun MICROMETER has 2 senses:

1. a metric unit of length equal to one millionth of a meter

2. caliper for measuring small distances

  Familiarity information: MICROMETER used as a noun is rare.

 Dictionary entry details 

• MICROMETER (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

micrometer; micron

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)

Sense 2

Meaning:

Caliper for measuring small distances

Classified under:

Nouns denoting man-made objects

Synonyms:

micrometer; micrometer caliper; micrometer gauge

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

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

 Context examples 

PM is the term for a mixture of solid particles and liquid droplets found in the air, and PM2.5 refers to fine inhalable particles, with diameters that are generally 2.5 micrometers or smaller.

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

A unit of volume equal to 10E-18 liter or one cubic micrometer.

(Attoliter, NCI Thesaurus/CDISC)

In their study, the researchers tested only for nitrogen, sulfur dioxide and particulates smaller than 10 micrometers in diameter.

(Pollution Linked to Significant Decline in Human Cognition, The Titi Tudorancea Bulletin)

A unit of volume equal to one quintillionth of a liter (10E-18 liter) or one cubic micrometer.

(Attoliter, NCI Thesaurus)

Note 2: A colloidal dispersion is a system in which particles of colloidal dimension (i.e., typically between 1 nm and 1 micrometer) are distributed uniformly throughout a liquid.

(Gel Dosage Form, NCI Thesaurus/CDISC)

It is about 12 to 20 micrometer in diameter, has a round to oval nucleus with fine, lightly dispersed chromatin and one to four nucleoli.

(Monoblast, NCI Thesaurus)

An activated lymphocyte with a diameter of about 12 micrometers, a nucleus with deep folds or clefts and clumped chromatin.

(Large Cleaved Cell, NCI Thesaurus)

A unit of cross-sectional measurement of a round area equal to the area of a circle with a diameter of one mil, approximately 0.785 398 square mils, or 506.707 square micrometers.

(Circular Mil, NCI Thesaurus)

This agent is formulated with dilauroylphosphatidylcholine and nebulized in particle sizes of 1.2-1.6 micrometer mass median aerodynamic diameter.

(Aerosolized Liposomal Rubitecan, NCI Thesaurus)

Amilomer, a product produced by partially hydrolyzing starch and epichlorohydrin, contains degradable starch microspheres (DSM) with a diameter size of 45 micrometers that are readily degraded by amylase.

(Amilomer, NCI Thesaurus)