15-letter words containing a, l, u
- southeastwardly — toward the southeast
- southwestwardly — toward the southwest
- special feature — an article differing from the normal format and focusing on a particular topic
- special student — a student who is not seeking a degree but enrols in a course, esp to gain academic credits
- special subject — an area of knowledge in which someone specializes
- splanchnopleure — the double layer formed by the association of the lower layer of the lateral plate of mesoderm with the underlying entoderm, which develops into the embryonic viscera.
- squadron leader — air-force officer
- stable equation — a differential equation each solution of which tends to zero as the independent variable increases to infinity. Compare transient (def 6).
- standard clause — a clause which is inserted as standard into certain types of contracts or agreements
- stannic sulfide — a yellowish or brownish, water-insoluble powder, SnS 2 , usually used suspended in lacquer or varnish for gilding and bronzing metals, wood, paper, etc.; mosaic gold.
- stirrup leather — the strap that holds the stirrup of a saddle.
- streptobacillus — any of various bacilli that form in chains.
- structural gene — cistron.
- structural iron — iron shaped for use in construction.
- subalimentation — hypoalimentation.
- subcivilization — a division of a civilization
- subclavian vein — either of a pair of veins, one on each side of the body, that return blood from the arms to the heart.
- subconjunctival — the mucous membrane that lines the exposed portion of the eyeball and inner surface of the eyelids.
- subject catalog — a catalog having entries listed by subject only.
- sublapsarianism — infralapsarianism.
- subperiosteally — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- subprofessional — being below professional standards: subprofessional health care.
- subsidiary cell — Immunology. any of various cells of the immune system that work with T or B cells to initiate a specific immune response.
- substantiatable — to establish by proof or competent evidence: to substantiate a charge.
- subvocalization — the act or process of producing subvocal speech
- sulfanilic acid — a grayish-white, crystalline, slightly water-soluble solid, the para form of C 6 H 7 NO 3 S, used chiefly as an intermediate in the manufacture of dyes.
- sulfiting agent — sulfite (def 2).
- sulphinpyrazone — a uricosuric drug with molecular formula C23H20N2O3S, used in the treatment of chronic gout
- sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
- summa cum laude — with highest praise: used in diplomas to grant the highest of three special honors for grades above the average.
- summer holidays — the time when children do not go to school in the summer
- summer triangle — a group of three first-magnitude stars (Deneb, Vega, and Altair) visible during the summer in the N skies
- sunflower state — Kansas (used as a nickname).
- super-sexuality — sexual character; possession of the structural and functional traits of sex.
- superabundantly — very or too abundantly
- superexaltation — extreme or supreme exaltation; the act of superexalting; the process or condition of being superexalted
- superficialness — being at, on, or near the surface: a superficial wound.
- superindividual — greater than the individual
- superior planet — any of the five planets whose orbits are outside the orbit of the earth, namely, the planets Mars, Jupiter, Saturn, Uranus, and Neptune.
- supernaturalism — supernatural character or agency.
- supernaturalist — supernatural character or agency.
- supernaturality — the quality or state of being supernatural; supernaturalism.
- supernaturalize — to make supernatural; give supernatural character or qualities to.
- superplasticity — the phenomenon, exhibited by certain metals and alloys usually at high temperatures, of stretching to extreme lengths without breaking
- superspecialist — a highly skilled specialist
- suppiluliumas i — king of the Hittites (?1375–?1335 bc); founder of the Hittite empire
- supplementation — the act or process of supplementing.
- surgeon general — the chief of medical services in one of the armed forces.
- surgical needle — a needle for suturing.
- surgical spirit — Surgical spirit is a liquid which is used to clean wounds or surgical instruments. It consists mainly of alcohol.