Definition of SIS

sis

Meanings

Plural: sises, sisses

Noun

  • a female person who has the same parents as another person
    • "my sister married a musician"
  • a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
  • a complete metric system of units of measurement for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric current (ampere) and temperature (kelvin) and amount of matter (mole) and luminous intensity (candela)
  • the syllable naming the seventh (subtonic) note of any musical scale in solmization
  • Clipping of sister.

Synonyms

atomic number 14, International System, International System of Units, Si, SI, si, SI system, SI unit, silicon, sissy, sister, Systeme International, Systeme International d'Unites, te, ti

Antonyms

brother

Scrabble Score: 3

sis is a valid Scrabble (US) TWL word
sis is a valid Scrabble Word in Merriam-Webster MW Dictionary
sis is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 3

sis is a valid Words With Friends word