13-letter words containing c, o, n, i, d, a
- selenous acid — a colorless, transparent, crystalline powder, H2SeO3, soluble in water and used as a reagent
- semidominance — incomplete dominance.
- sex addiction — an addiction to sexual activity
- sex education — Sex education is education in schools on the subject of sexual activity and sexual relationships.
- shadowcasting — the enhancement of images by the casting of shadows
- social-minded — interested in or concerned with social conditions or the welfare of society.
- standard coin — a coin having value in bullion at least equal to its face value.
- standing chop — (in an axemen's competition) a chop with the log standing upright
- standing crop — the totality of living things in an ecosystem at a given time.
- stannic oxide — a white, amorphous, water-insoluble powder, SnO 2 , used chiefly in the manufacture of ceramic glazes and glass, and of polishing powders for metal, glass, and marble.
- subindication — the act or process of subindicating
- sulfonic acid — any of a large group of organic compounds of the structure RSO 2 OH, which are strong acids that give neutral sodium salts: used in the synthesis of phenols, dyes, and other substances.
- synecdochical — a figure of speech in which a part is used for the whole or the whole for a part, the special for the general or the general for the special, as in ten sail for ten ships or a Croesus for a rich man.
- tax avoidance — Tax avoidance is the use of legal methods to pay the smallest possible amount of tax.
- tax deduction — an expenditure that is deducted from taxable income.
- thermodynamic — of or relating to thermodynamics.
- titanic oxide — a white, water-insoluble powder, TiO 2 , used chiefly in white pigments, plastics, ceramics, and for delustering synthetic fibers.
- traction load — the solid material that is carried along the bed of a river
- trade council — a central council composed of local trade unions.
- unaccompanied — not accompanied; alone: The shipment arrived unaccompanied by an invoice.
- uncategorized — to arrange in categories or classes; classify.
- unchlorinated — not chlorinated; not treated with chlorine
- uncompanioned — not having a companion; unaccompanied
- uncomplicated — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- unconditional — not limited by conditions; absolute: an unconditional promise.
- unconstrained — forced, compelled, or obliged: a constrained confession.
- uncoordinated — of the same order or degree; equal in rank or importance.
- underreaction — to react with less than the expected or appropriate emotion.
- undirectional — of, relating to, or indicating direction in space.
- undiscouraged — to deprive of courage, hope, or confidence; dishearten; dispirit.
- undissociated — not dissociated, especially into ions or into simpler molecules.
- undoctrinaire — a person who does not subscribe to a particular doctrine or theory; a free thinker
- undomesticate — to make wild
- unideological — not having, belonging to, or relating to any particular ideology or belief system
- up-and-coming — likely to succeed; bright and industrious: an up-and-coming young executive.
- valedictorian — a student, usually the one ranking highest academically in a school graduating class, who delivers the valedictory at the commencement exercises.
- victoria land — a region in Antarctica, bordering on the Ross Sea, mainly in Ross Dependency.
- vindicatorily — in a vindicatory manner
- votive candle — religion: candle lit in prayer
- wanted notice — a public announcement by the police that they want to question someone in connection with a crime that has been committed
- windsor chair — a wooden chair of many varieties, having a spindle back and legs slanting outward: common in 18th-century England and in the American colonies.
- wolffian duct — a duct, draining the mesonephros of the embryo, that becomes the vas deferens in males and vestigial in females.
- wood hyacinth — bluebell (def 2).