- subcarbonate
- subgraphic structure
- subhedral structure
- subilation temperature
- sublimation product
- submarine earthquake
- submarine rise
- submerged condenser
- submerged jet
- suboxide
- subrogation clause
- subsalt drilling
- subsea wellhead
- subsidence
- substage
- substructure post
- subsurface conditions
- subsurface exploration
- subterranean stream
- subtractive process
- sucker
- sucker pole
- stripper
- stripper plant
- stripper well
- stripping oil
- stripping tower
- stroke capacity
- strong well
- strontic
- strontium oxide
- structural adjustment
- structural basin
- structural bulge
- structural condition
- structural datum
- structural framework
- structural map
- structural position
- structural terrace
- stub end
- stuck ring
- stud welding
- styrene resin
- subatmospheric pressure
- subbituminous coal
- subchloride
- subclass
- subduction
- suberic
- sublimate
- sublimed sulphur
- submetallic luster
- subsidence basin
- suction head
- suction lift
- suction mixing
- sucupina
- sugi
- suldenite
- sulfaguanidine
- sulfarsenide
- sulfate pulping
- sulfite
- sulfocabonate
- sulfonate
- sulfonated oil
- sulfonyl
- sulfur bridge
- sulfurize
- sulphamate
- sulphamide
- sulphhydryl
- sulphidic
- sulphohalite
- sulpholene
- sulphonated
- sulphone
- sulphur bacterium
- sulphur containing
- sulphur mine
- sulphur pit
- sulphurization
- sulphurous spring
- summer oil
- sun crack
- supercharged
- supercharged method
- supercharging pump
- superconductivity
- superimposed strata
- superincumbent
- supermultiplet
- superphosphate
- superplasticizer
- superposition
- superpressure
- superstructure
- supertransuranic
- supervision