1. [ [Undefined_variable] ] suffix denoting possession or ownership in the third person
Synonyms: `s

"I went to my sister`s house"

2. [ noun ] the cardinal compass point that is at 180 degrees
Synonyms: south due_south
Related terms: cardinal_compass_point
3. [ noun ] 1/60 of a minute; the basic unit of time adopted under the System International d'Unites
Synonyms: second sec
Related terms: time_unit leap_second minute millisecond
4. [ noun ] the 19th letter of the Roman alphabet
Related terms: letter Roman_alphabet
5. [ noun ] (thermodynamics) a measure of the amount of energy in a system that is available for doing work; entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity
Synonyms: entropy randomness
Related terms: ectropy physical_property physical_phenomenon conformational_entropy thermodynamics
6. [ noun ] (chemistry) 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: sulfur atomic_number_16 sulphur
Related terms: chemical_element brimstone sulfide vitriol sulphur
7. [ noun ] (physics,electricity) a unit of conductance equal to the reciprocal of an ohm
Synonyms: siemens reciprocal_ohm mho
Related terms: conductance_unit
Similar spelling:   Sy