12-letter words containing d, o, m, i, t, a
- oxidant smog — photochemical smog.
- paedobaptism — the baptism of infants
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- photodynamic — the science dealing with light and its effects on living organisms.
- piltdown man — a hypothetical early modern human, assigned to the genus Eoanthropus, whose existence was inferred from skull fragments that were allegedly found at Piltdown, England, in 1912 but were exposed as fraudulent through chemical analysis in 1953.
- poète maudit — a poet who receives insufficient recognition in his or her own time
- postmedieval — occurring or existing after the Middle Ages, of or related to the period after the Middle Ages
- postmeridian — of or relating to the afternoon.
- pot marigold — calendula (def 1).
- promuscidate — shaped like a proboscis
- pteridomania — an excessive enthusiasm for ferns
- radioelement — a radioactive element.
- radiomimetic — (of drugs) producing effects similar to those produced by X-rays
- radiothorium — a disintegration product of thorium.
- romanticized — interpreted according to romantic precepts
- scott domain — An algebraic, boundedly complete, complete partial order. Often simply called a domain.
- semi-dormant — lying asleep or as if asleep; inactive, as in sleep; torpid: The lecturer's sudden shout woke the dormant audience.
- semidominant — producing an intermediate, heterozygous phenotype
- spermatocide — spermicide.
- spermatozoid — a motile male gamete produced in an antheridium.
- surinam toad — a South American aquatic frog, Pipa pipa, the female of which carries the eggs and tadpoles in small depressions on its back.
- thermidorian — a member of the French moderate group who participated in the downfall of Robespierre and his followers on the 9th Thermidor (July 27th), 1794.
- tidal volume — the volume of water associated with a rising tide
- tragi-comedy — A tragi-comedy is a play or other written work that is both sad and amusing.
- trombidiasis — infestation with mites of the family Trombiculidae
- typhoid mary — Mary ("Typhoid Mary") 1869?–1938, U.S. cook, born in Ireland: known immune carrier of typhoid fever who infected many with the disease, institutionalized in 1914.
- undemocratic — pertaining to or of the nature of democracy or a democracy.
- undiplomatic — of, relating to, or engaged in diplomacy: diplomatic officials.
- unmethodical — characterized by lack of method or disorderliness
- ventromedial — relating to both the ventral and medial surfaces, or to the front and to the middle