Synonyms
Antonyms

1. Si

noun. 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.

Synonyms

  • semiconductor
  • element
  • sand
  • chemical element
  • atomic number 14
  • clay
  • semiconducting material
  • quartz
  • silicone
  • silicone polymer
  • silicon
  • felspar
  • granite

Antonyms

  • software
  • curve
  • roughen
  • unsteadiness

Featured Games

Rhymes with Si

  • kagarlitsky
  • sffed
  • directv
  • cacld
  • branitzky
  • awb
  • woodmansee
  • u_s_m_c
  • mitcheltree
  • knbc
  • hardigree
  • hardegree
  • hammontree
  • franchisee
  • yangtze
  • st_marie
  • powerpc
  • ocheltree
  • nyet
  • mckelvie
  • licensee
  • lapd
  • interviewee
  • inductee
  • hohensee
  • hnat
  • gymboree
  • guaranty
  • guarantee
  • guarani

2. do-si-do

noun. a square-dance figure; two dancers approach each other and circle back to back before returning to their original places.

Synonyms

  • contradance
  • contredanse
  • country-dance
  • country dancing
  • square dance
  • square dancing

3. SI

noun. 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).

Synonyms

  • Systeme International d'Unites
  • International System
  • Systeme International
  • SI system
  • metric system
  • International System of Units

4. si

noun. ['ˈsiː'] the syllable naming the seventh (subtonic) note of any musical scale in solmization.

Synonyms

  • ti
  • solfa syllable
Synonym.com