Definition:Centimetre of Mercury

Definition

The centimetre of mercury is an metric unit of pressure.

It is defined as being:

The amount of pressure generated by a column of mercury of density $13 \, 595 \cdotp 1 \, \mathrm {kg \, m}^{-3}$ one centimetre high under standard gravity.

Conversion Factors

\(\ds \)

\(\)

\(\ds 1\)

centimetre of mercury

\(\ds \)

\(\)

\(\ds 10\)

millimetres of mercury

Symbol

$\mathrm {cm \, Hg}$

The symbol for the centimetre of mercury is $\mathrm {cm \, Hg}$.

The $\LaTeX$ code for \(\mathrm {cm \, Hg}\) is \mathrm {cm \, Hg} .

Linguistic Note on Centi-

The prefix centi- derives from the Latin centum, which means hundred.

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