13-letter words containing a, n, t, i, s, u
- south vietnam — a former country in SE Asia that comprised Vietnam S of about 17° N latitude; a separate state 1954–75; now part of reunified Vietnam. Capital: Saigon.
- speaking tube — a tube for conveying the voice over a somewhat limited distance, as from one part of a building or ship to another.
- spenta mainyu — the good and creative spirit that is the offspring of Ahura Mazda.
- spermatangium — the organ that produces spermatia in red algae.
- spring beauty — any American spring plant belonging to the genus Claytonia, of the purslane family, especially C. virginica, having an elongated cluster of white flowers tinged with pink.
- st. augustine — Saint, a.d. 354–430, one of the Latin fathers in the early Christian Church; author; bishop of Hippo in N Africa.
- staminiferous — bearing or having a stamen or stamens.
- stand up with — to act as a wedding attendant to
- standing jump — a jump performed from a stationary position without a run-up
- station house — a police station or fire station.
- status indian — a member of any of the numerous indigenous groups registered as Indians under the federal Indian Act, having special rights and privileges and usually living on a reservation.
- steam turbine — a turbine driven by steam pressure.
- stirrup pants — close-fitting pants with a stirruplike strap, at the end of each leg, to be positioned under the arch of the foot
- straighten up — stand straighter
- strangulation — Pathology, Surgery. to compress or constrict (a duct, intestine, vessel, etc.) so as to prevent circulation or suppress function.
- structuration — the act of giving structure to something
- suballocation — an allocation made from a previous allocation
- subastringent — slightly astringent.
- subdelegation — a group or body of delegates: Our club sent a delegation to the rally.
- subgeneration — a generation within another generation
- subindication — the act or process of subindicating
- subindicative — of or relating to subindicating
- sublieutenant — British. a navy officer ranking next below a lieutenant.
- subordination — the act of placing in a lower rank or position: The refusal to allow women to be educated was part of society's subordination of women to men.
- subordinative — placed in or belonging to a lower order or rank.
- subpopulation — the total number of persons inhabiting a country, city, or any district or area.
- subsaturation — the act or process of saturating.
- subsidization — to furnish or aid with a subsidy.
- substantially — of ample or considerable amount, quantity, size, etc.: a substantial sum of money.
- substantiated — to establish by proof or competent evidence: to substantiate a charge.
- substantively — a noun.
- substantivity — the quality or state of being substantive
- substantivize — to use (an adjective, verb, etc.) as a substantive; convert into a substantive: a substantivized participle.
- subtriangular — almost triangular;not quite triangular
- suction valve — a nonreturn valve in a pump suction to prevent the pump draining or depriming when not in service
- suffocatingly — to kill by preventing the access of air to the blood through the lungs or analogous organs, as gills; strangle.
- summarization — to make a summary of; state or express in a concise form.
- sunlight peak — a mountain in SW Colorado, in the San Juan Mountains. 14,059 feet (4285 meters).
- sunrise watch — dogwatch (def 2).
- suntan lotion — cream that protects against the sun
- superdominant — submediant.
- superfetation — the fertilization of an ovum in a female mammal already pregnant.
- supermilitant — highly militant
- supernational — tending to involve, or extending authority over, more than one nation; international; supranational.
- superordinate — of higher degree in condition or rank.
- superrational — beyond the scope or range of reason; intuitional.
- superreaction — a reverse movement or tendency; an action in a reverse direction or manner.
- superromantic — exceptionally romantic
- supplantation — to take the place of (another), as through force, scheming, strategy, or the like.
- suppositional — the act of supposing.