S

Primary Meanings of S

1.
n
the 19th letter of the Roman alphabet
2.
n
the cardinal compass point that is at 180 degrees
3.
n
an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
4.
n
(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work
5.
n
a unit of conductance equal to the reciprocal of an ohm
Full Definitions of S
1

n the 19th letter of the Roman alphabet

Synonyms:
s
Type of:
alphabetic character, letter, letter of the alphabet
the conventional characters of the alphabet used to represent speech
2

n the cardinal compass point that is at 180 degrees

Synonyms:
due south, south, southward
Type of:
cardinal compass point
one of the four main compass points
3

n an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)

Synonyms:
atomic number 16, sulfur, sulphur
Types:
brimstone, native sulfur, native sulphur
an old name for sulfur
Type of:
chemical element, element
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
4

n (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work

Synonyms:
entropy, randomness
Types:
conformational entropy
entropy calculated from the probability that a state could be reached by chance alone
Type of:
physical property
any property used to characterize matter and energy and their interactions
5

n a unit of conductance equal to the reciprocal of an ohm

Synonyms:
mho, reciprocal ohm, siemens
Type of:
conductance unit
a measure of a material's ability to conduct an electrical charge

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