sf -abbr

  1. sforzando

SF -abbr

  1. sacrifice fly
  2. science fiction
  3. sinking fund
  4. square feet; square foot

SFC -abbr

  1. sergeant first class

sfer·ics ['sfir-iks, 'sfer-] -n pl

  1. atmospherics

sfor·zan·do [sfȯrt-'sän-(,)dō, -'san-] -adj or adv

  1. played with prominent stress or accent used as a direction in music

sforzando [-(,)dē] -n

  1. an accented tone or chord

sfu·ma·to [sfü-'mä-(,)tō] -n

  1. the definition of form in painting without abrupt outline by the blending of one tone into another