12-letter words containing a, p, o, d, i
- sulphadoxine — an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, and in combination with various drugs to treat certain infections
- sulphonamide — any of a class of organic compounds that are amides of sulphonic acids containing the group –SO2NH2 or a group derived from this. An important class of sulphonamides are the sulfa drugs
- superordinal — relating to the superorder
- table tripod — a low mount or stand for a camera.
- top and tail — method of washing a baby
- trading post — a store established in an unsettled or thinly settled region by a trader or trading company to obtain furs and local products in exchange for supplies, clothing, other goods, or for cash.
- trepidations — tremulous fear, alarm, or agitation; perturbation.
- trepidatious — tremulous fear, alarm, or agitation; perturbation.
- triadelphous — (of stamens) united by the filaments into three sets or bundles.
- trial period — time during which sth can be evaluated
- tripudiation — the act of dancing for joy
- tropicalised — to make tropical, as in character or appearance.
- tropicalized — to make tropical, as in character or appearance.
- trypanocidal — (of a drug, agent, activity, etc) effective in killing trypanosomes
- twin paradox — a phenomenon predicted by relativity. One of a pair of identical twins is supposed to live normally in an inertial system whilst the other is accelerated to a high speed in a spaceship, travels for a long time, and finally returns to rest beside his twin. The travelled twin will be found to be younger than his brother
- 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.
- underpassion — an underlying or subconscious passion
- undiplomatic — of, relating to, or engaged in diplomacy: diplomatic officials.
- unpatronized — having few or no patrons
- unpavilioned — not provided with a pavilion
- unproclaimed — to announce or declare in an official or formal manner: to proclaim war.
- unsaponified — to convert (a fat) into soap by treating with an alkali.
- up and doing — busy; active
- velocipedean — someone who rides a velocipede
- video piracy — the unauthorized or prohibited use of audio-visual works covered by copyright law, in a way that violates one of the copyright owner's exclusive rights, such as the right to reproduce the copyrighted work, or to make derivative works
- video player — VCR: videotape recorder
- videographer — a person who makes films with a video camera.
- widow's peak — a point formed in the hairline in the middle of the forehead.
- wild apricot — apricot (def 4).
- woolly aphid — any plant louse of the family Aphididae, characterized by a waxy secretion that appears like a jumbled mass of fine, curly, white cottony or woolly threads, as Eriosoma lanigerum (woolly apple aphid or American blight) and Prociphilus tessellatus (woolly alder aphid)