15-letter words containing d, u, l, t, h
- sodium ethylate — a white, hygroscopic powder, C 2 H 5 ONa, that is decomposed by water into sodium hydroxide and alcohol: used chiefly in organic synthesis.
- sodium sulphate — a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber's salt) in making glass, detergents, and pulp. Formula: Na2SO4
- sound-and-light — combining sound effects or music with unusual lighting displays: to promote a product with a spectacular sound-and-light presentation.
- southeastwardly — toward the southeast
- southwestwardly — toward the southwest
- the daily round — the usual activities of one's day
- thousand island — of or relating to the Thousand Islands or their inhabitants
- thursday island — an island in Torres Strait between NE Australia and New Guinea; part of Queensland: pearl fishing. 1½ sq. mi. (4 sq. km).
- toughened glass — glass that has been made stronger using chemical or thermal treatments so that it will not break easily
- turkish delight — a candy made of fruit juice and gelatin, cubed and dusted with sugar.
- two-thirds rule — a former rule in the Democratic Party, effective 1832–1936, requiring a vote of at least two thirds of its national convention delegates to nominate a presidential and vice-presidential candidate.
- under the table — of, relating to, or for use on a table: a table lamp.
- under-the-table — transacted in secret or in an underhanded manner.
- unnatural death — death resulting from an external cause, such as intentional injury (such as homicide or suicide) or unintentional injury (in an accident)
- unrehabilitated — to restore to a condition of good health, ability to work, or the like.
- wreathed column — a column having a twisted or spiral form.