rheometer (en)

(noun) an instrument for measuring flow (as of viscous substances)

sconce (en)

(noun) a bracket candlestick or group of candlesticks / (noun) an electric light fixture patterned on a candle sconce / (noun) head skull / (noun) a detached defensive work

sfumato (en)

(noun) the definition of form in painting without abrupt outline by the blending of one tone into another

simony (en)

(noun) the buying or selling of a church office or ecclesiastical preferment

sop (en)

(noun) a piece of food dipped or steeped in a liquid / (noun) a conciliatory or propitiatory bribe, gift, or gesture / (verb) to steep or dip in or as if in liquid / (verb) to wet thoroughly; soak / (verb) mop / (abbreviation) standard operating procedure; standing operating procedure

sylph (en)

(noun) an elemental being in the theory of Paracelsus that inhabits air / (noun) a slender graceful woman or girl

teleological (en)

the philosophical attempt to describe things in terms of their apparent intrinsic purpose, directive principle, or goal, irrespective of human use or opinion

trellis (en)

(noun) a frame of latticework used as a screen or as a support for climbing plants / (noun) a construction (as a summerhouse) chiefly of latticework / (noun) an arrangement that forms or gives the effect of a lattice / (verb) to provide with a trellis / (verb) to train (as a vine) on a trellis / (verb) to cross or interlace on or through; interweave

valorization (en)

give or assign a value to, especially a higher value: "The prophets valorized history"

vertiginous (en)

causing vertigo, especially by being extremely high or steep

vitiligo (en)

(noun) a skin disorder manifested by smooth white spots on various parts of the body