sis
sis
- n a female person who has the same parents as another person
my sister married a musician - n 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
- n 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)
- n the syllable naming the seventh (subtonic) note of any musical scale in solmization
- Meanwhile, the two companies he heads, Pixar and Apple, saw their stocks soar, thanks to The Incredibles and iPod's little sis, the Mini.
- The University of British Columbia at Vancouver owes much of its existence to the sis-boom-ah of its galumphing student body.
- The site shows sis is learning from its enemies, too.