12-letter words containing a, d, m, s, t
- semidiameter — half of a diameter; radius.
- semidominant — producing an intermediate, heterozygous phenotype
- shield match — a cricket match for the Sheffield Shield
- smith island — a group of islands in S Maryland and N Virginia, in Chesapeake Bay.
- smooth-faced — beardless; smooth-shaven.
- spermaticide — spermicide.
- spermatocide — spermicide.
- spermatozoid — a motile male gamete produced in an antheridium.
- stamp dealer — someone who buys and sells postage stamps (to collectors)
- standpattism — belief in or the practice of resisting or refusing to accept change, especially in politics.
- stapedectomy — a microsurgical procedure to relieve deafness by replacing the stapes of the ear with a prosthetic device.
- steam-driven — powered by steam
- steam-heated — heated by steam.
- storm-lashed — badly affected by storms
- student lamp — a table lamp whose light source can be adjusted in height.
- superstardom — a person, as a performer or athlete, who enjoys wide recognition, is esteemed for exceptional talent, and is eagerly sought after for his or her services.
- surinam toad — a South American aquatic frog, Pipa pipa, the female of which carries the eggs and tadpoles in small depressions on its back.
- sweet almond — the nutlike kernel of the fruit of either of two trees, Prunus dulcis (sweet almond) or P. dulcis amara (bitter almond) which grow in warm temperate regions.
- sweet dreams — sleep well
- syndactylism — having certain digits joined together.
- systematized — to arrange in or according to a system; reduce to a system; make systematic.
- the herdsman — the constellation Boötes
- the midlands — the central counties of England, including Warwickshire, Northamptonshire, Leicestershire, Nottinghamshire, Derbyshire, Staffordshire, the former West Midlands metropolitan county, and Worcestershire: characterized by manufacturing industries
- thermostated — a device, including a relay actuated by thermal conduction or convection, that functions to establish and maintain a desired temperature automatically or signals a change in temperature for manual adjustment.
- third stream — a style of music that uses features of both jazz and classical music in an attempt to develop a new and distinctive musical idiom.
- thomas hardy — Godfrey Harold, 1877–1947, English mathematician.
- thymus gland — a ductless, butterfly-shaped gland lying at the base of the neck, formed mostly of lymphatic tissue and aiding in the production of T cells of the immune system: after puberty, the lymphatic tissue gradually degenerates.
- tinker's dam — the least value or merit; nothing or anything at all: It's not worth a tinker's damn.
- tombstone ad — a boxed advertisement without artwork or illustrations, especially one announcing an issue of a stock or bond.
- traducianism — the doctrine that the human soul is propagated along with the body. Compare creationism (def 3).
- transmundane — reaching beyond or existing outside the physical or visible world.
- trombidiasis — infestation with mites of the family Trombiculidae
- tryparsamide — a white, crystalline powder, C 8 H 10 O 4 N 2 AsNa·½H 2 , used chiefly in treating African sleeping sickness.
- unaccustomed — not accustomed or habituated: to be unaccustomed to hardships.
- understratum — a substratum.
- undismantled — not dismantled or disassembled; complete, in one piece
- unstimulated — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- unsublimated — Psychology. to divert the energy of (a sexual or other biological impulse) from its immediate goal to one of a more acceptable social, moral, or aesthetic nature or use.
- untransmuted — not transmuted; that has not been transmuted or transformed
- westmoreland — William Childs [chahyldz] /tʃaɪldz/ (Show IPA), 1914–2005, U.S. army officer: commander of U.S. forces in Vietnam and Thailand 1964–68.
- wild mustard — any of several weedy plants belonging to the genus Brassica, of the mustard family, as charlock.