HeyRua Get the app

Specific gravity in Irish (Sainmheáchan): Meaning, Pronunciation, Usage

The Irish for specific gravity is sainmheáchan, a masculine noun (plural sainmheáchain).
Updated October 2026Report a mistake

How to say “specific gravity” in Irish

Irish:
sainmheáchan
English:
specific gravity
Word type:
noun
Gender:
masculine
Pronunciation:
“SAN-vyaw-khun”  /ˈsˠanʲˌvʲaːxən̪ˠ/
Various forms
Plural:
sainmheáchain (specific gravities)
Genitive singular:
sainmheáchain, an tsainmheáchain (e.g. tomhas an tsainmheáchain, measurement of the specific gravity)
Genitive plural:
sainmheáchan, na sainmheáchan (e.g. tábla na sainmheáchan, the table of the specific gravities)

What does “sainmheáchan” mean?

specific gravity
The ratio of the density of a substance to the density of water, used in physics and chemistry.Also: relative density, specific weight.

“Sainmheáchan” with the article

The plural of specific gravity in Irish is sainmheáchain. Here is sainmheáchan after the article (an t-alt), in the singular and the plural.

an sainmheáchan
the specific gravity
No change after an
na sainmheáchain
the specific gravities
Plural: no change after na

“Sainmheáchan” in a sentence: Irish examples

Common Irish sentences using sainmheáchan, the Irish word for specific gravity.

Is ionann sainmheáchan an uisce agus a haon.
The specific gravity of water is one.
Tomhaiseann an hidriméadar sainmheáchan leachtanna.
A hydrometer measures the specific gravity of liquids.
Tá sainmheáchan an óir an-ard.
The specific gravity of gold is very high.
D'fhoghlaimíomar faoin sainmheáchan sa rang fisice inniu.
We learned about specific gravity in physics class today.
Scríobh síos luach an tsainmheáchain i do chóipleabhar.
Write down the value of the specific gravity in your copybook.
Rinneamar comparáid idir sainmheáchain na miotal éagsúil.
We compared the specific gravities of the different metals.
Athraíonn an sainmheáchan le teocht an leachta.
The specific gravity changes with the temperature of the liquid.

Other nouns in Irish

More everyday Irish nouns to learn next.

Specific gravity in Irish: frequently asked questions

What is the Irish for specific gravity?

The Irish for specific gravity is sainmheáchan (pronounced “SAN-vyaw-khun”). It’s a masculine noun and the plural is sainmheáchain.

How do you pronounce sainmheáchan in Irish?

Sainmheáchan is said like “SAN-vyaw-khun” (IPA /ˈsˠanʲˌvʲaːxən̪ˠ/).

What is the plural of specific gravity in Irish?

The plural of sainmheáchan is sainmheáchain; with the article, na sainmheáchain means “the specific gravities”. The genitive plural is sainmheáchan, as in tábla na sainmheáchan (the table of the specific gravities).

Why does sainmheáchan change to shainmheáchan?

After words like mo (my) and do (your) the first letter is lenited: mo shainmheáchan. After ár (our) it stays ár sainmheáchan, because s does not take eclipsis.

How is 'sainmheáchan' different from 'meáchan'?

'Meáchan' is ordinary weight, while 'sainmheáchan' (sain- 'specific' plus 'meáchan') is the technical term for specific gravity or relative density.

Learn Irish by
actually speaking it

Learn everyday Irish words like sainmheáchan through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen