12-letter words containing s, a, c, i, f, o
- south-facing — facing towards the south
- spiflication — rough treatment
- stalactiform — resembling or shaped like a stalactite.
- stupefaction — the state of being stupefied; stupor.
- subfactorial — the number of ways a group of objects can be arranged so that none of the objects are in their original or correct place
- testificator — a person who witnesses
- tonic sol-fa — a system of singing characterized by emphasis upon tonality or key relationship, in which tones are indicated by the initial letters of the syllables of the sol-fa system rather than by conventional staff notation.
- trace fossil — a fossilized track, trail, burrow, boring, or other structure in sedimentary rock that records the presence or behavior of the organism that made it.
- transfection — the insertion into a cell of a bacterial plasmid that contains a foreign virus or genetic material.