15-letter words containing d, r, i, l, a
- sinoatrial node — a small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions.
- sled cultivator — go-devil (def 5).
- smoking-related — (of a disease, illness, etc) caused by smoking tobacco, etc
- social democrat — a person who advocates a gradual transition to socialism or a modified form of socialism by and under democratic political processes.
- social drinking — the practice of drinking alcohol occasionally and usually only in social situations
- social-drinking — a person who drinks alcoholic beverages usually in the company of others and is in control of his or her drinking.
- sodium chlorate — a colorless, water-soluble solid, NaClO 3 , cool and salty to the taste, used chiefly in the manufacture of explosives and matches, as a textile mordant, and as an oxidizing and bleaching agent.
- solar radiation — energy radiated from the sun in the form of electromagnetic waves, including visible and ultraviolet light and infrared radiation.
- soldier's heart — cardiac neurosis.
- soldier's medal — a medal awarded to any member of the Army of the United States, or of any military organization serving with it, who distinguishes himself or herself by heroism not involving conflict with an enemy.
- somerset island — an island in the Arctic Ocean in Nunavut, Canada, NW of Baffin Island. 9594 sq. mi. (24,848 sq. km).
- spratly islands — a widely-scattered group of uninhabited islets and reefs in the S South China Sea, the subject of territorial claims wholly or in part by six neighbouring nations
- spread sampling — the selection of a corpus for statistical analysis by selecting a number of short passages at random throughout the work and considering their aggregation
- spread-eagleism — boastfulness or bombast, especially in the display of patriotic or nationalistic pride in the U.S.; flag-waving.
- sprinkler dance — a celebratory dance in which participants extend one arm and shake it to imitate the action of a rotating water sprinkler
- standard lining — a system for aligning type so that all fonts of the same point size have a common baseline.
- starting handle — a crank used to start the motor of an automobile.
- subsidiary cell — Immunology. any of various cells of the immune system that work with T or B cells to initiate a specific immune response.
- sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
- summer holidays — the time when children do not go to school in the summer
- superindividual — greater than the individual
- surgical needle — a needle for suturing.
- the cordilleras — the complex of mountain ranges on the W side of the Americas, extending from Alaska to Cape Horn and including the Andes and the Rocky Mountains
- the daily round — the usual activities of one's day
- thiocarbanilide — a gray powder, C 13 H 12 N 2 S, used as an intermediate in dyes and as an accelerator in vulcanization.
- thorndike's law — the principle that all learnt behaviour is regulated by rewards and punishments, proposed by Edward Lee Thorndike (1874–1949), US psychologist
- thursday island — an island in Torres Strait between NE Australia and New Guinea; part of Queensland: pearl fishing. 1½ sq. mi. (4 sq. km).
- tidal benchmark — a benchmark used as a reference for tidal observations.
- tirso de molina — Luis [loo-ees] /luˈis/ (Show IPA), 1535–1600, Spanish Jesuit theologian.
- total depravity — the Calvinist doctrine that humankind's entire nature, including its reason, is corrupt or sinful as a result of the Fall and that people are therefore completely dependent on God for regeneration.
- track and field — athletics events
- track-and-field — of, relating to, or participating in the sports of running, pole-vaulting, broad-jumping, etc.: a track-and-field athlete.
- trading capital — the total amount of money available for buying assets
- transindividual — a single human being, as distinguished from a group.
- transvaal daisy — a composite plant, Gerbera jamesonii, native to southern Africa, having showy, many-rayed, variously colored flower heads.
- treacle pudding — a sponge cake with syrup on top
- treasure island — (italics) a novel (1883) by R. L. Stevenson.
- trial and error — experimentation or investigation in which various methods or means are tried and faulty ones eliminated in order to find the correct solution or to achieve the desired result or effect.
- trichomonacidal — relating to a trichomonacide
- tricuspid valve — the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.
- ultra-modernist — very advanced in ideas, design, or techniques.
- ultrademocratic — (in the US) characteristic of a staunch member or supporter of the Democratic Party and its agenda
- ultrafastidious — extremely fastidious
- un-considerable — rather large or great in size, distance, extent, etc.: It cost a considerable amount. We took a considerable length of time to decide.
- unaffordability — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- unconstrainedly — in an unconfined manner
- undercapitalize — to provide an insufficient amount of capital for (a business enterprise).
- underpopulation — having a population lower than is normal or desirable.
- understandingly — mental process of a person who comprehends; comprehension; personal interpretation: My understanding of the word does not agree with yours.
- universal donor — a person with blood of group O.