- The
micrometre (Commonwealth
English as used by the
International Bureau of
Weights and Measures; SI symbol: μm) or
micrometer (American English), also...
-
appearance in
English writing being in 1670.
Neither the
metre nor the
micrometre (μm) nor the
micrometer (device) as we know them
today existed at that...
- are ten
millimetres in a centimetre. One
millimetre is
equal to 1000
micrometres or 1000000 nanometres.
Since an inch is
officially defined as exactly...
- The torr (symbol: Torr) is a unit of
pressure based on an
absolute scale,
defined as
exactly 1/760 of a
standard atmosphere (101325 Pa). Thus one torr...
- The
beauty micrometer, also
known as the
beauty calibrator, was a
device designed in the
early 1930s to help in the
identification of the
areas of a person's...
- > 63
micrometres (0.0025 in)), silt (particle size > 2
micrometres (7.9×10−5 in)), and a
smaller amount of clay (particle size < 2
micrometres (7.9×10−5 in))...
- refraction. The
smallest pieces Glitterex produces are 50
micrometres (0.0020 in) by 75
micrometres (0.0030 in),
placing them in the
category of microplastics...
- than 50
micrometres (in the 150 to 500
micrometres range). As a
point of reference,
human hair
ranges in
diameter from 50 to 100
micrometres. The size...
- A
vernier scale (/vərˈniːˈər/ ver-NEE-er),
named after Pierre Vernier, is a
visual aid to take an
accurate measurement reading between two
graduation markings...
- femtometres, one
thousandth of a
nanometre (1/1000 nm), one
millionth of a
micrometre (also
known as a micron), one
billionth of a millimetre, and one trillionth...
