# เอส
## Noun (N)
### Sense: (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work
- randomness
- entropy
- S
### Sense: the 19th letter of the Roman alphabet
- s
### Sense: a unit of conductance equal to the reciprocal of an ohm
- mho
- siemens
- reciprocal ohm