13-letter words containing a, l, i, u, n, d
- prudentiality — prudential nature or practice
- public domain — the status of a literary work or an invention whose copyright or patent has expired or that never had such protection.
- pulse dialing — a system of calling telephone numbers wherein electrical pulses corresponding to the digits in the number called are generated by manipulating a rotary dial or push buttons (contrasted with tone dialing).
- quadrennially — Every four years.
- quadrigeminal — Having four parts, or two pairs.
- quadrilingual — using or involving four languages: a quadrilingual person; a quadrilingual translation of the Bible.
- quadrillionth — a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
- qualifiedness — The property of being qualified (restricted or limited by conditions).
- quindecagonal — (geometry) Shaped like a quindecagon; fifteen-sided.
- quindecennial — of or relating to a period of 15 years or the 15th occurrence of a series, as an anniversary.
- redial button — a button on a telephone, allowing the user to dial a number again
- reduplication — the act of reduplicating; the state of being reduplicated.
- refundability — to give back or restore (especially money); repay.
- rudimentarily — pertaining to rudiments or first principles; elementary: a rudimentary knowledge of geometry.
- russian salad — a salad of cold diced cooked vegetables mixed with Russian dressing
- selenous acid — a colorless, transparent, crystalline powder, H2SeO3, soluble in water and used as a reagent
- seminal fluid — the fluid component of semen, excluding the sperm.
- single-valued — (of a function) having the property that each element in the domain has corresponding to it exactly one element in the range.
- solidungulate — having a single, undivided hoof on each foot, as a horse.
- sound library — a collection of sounds stored on file (for example on CDs, DVDs, or as digital audio files)
- sounding lead — a line weighted with a lead or plummet (sounding lead) and bearing marks to show the length paid out, used for sounding, as at sea.
- squanderingly — in a squandering manner
- subdelegation — a group or body of delegates: Our club sent a delegation to the rally.
- sulfadimidine — an antibacterial sulfa drug used in human and veterinary medicine. It is effective against chlamydia, toxoplasma, and cocidia
- sulfanilamide — a white, crystalline amide of sulfanilic acid, C 6 H 8 N 2 O 2 S, formerly used in the treatment of bacterial infections: replaced by its derivatives and by antibiotics.
- sulfapyridine — a sulfanilamide derivative, C 1 1 H 1 1 N 3 O 2 S, formerly used for infections caused by pneumococci, now used primarily for a particular dermatitis.
- 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.
- sunda islands — a chain of islands in the Malay Archipelago, consisting of the Greater Sunda Islands (chiefly Sumatra, Java, Borneo, and Sulawesi) and Nusa Tenggara (the Lesser Sunda Islands)
- trade council — a central council composed of local trade unions.
- turbine blade — any of a number of bladelike vanes assembled around the periphery of a turbine rotor to guide the steam or gas flow
- ultrawideband — a transmission technique using a very wide spectrum of frequencies that enables high-speed transfer of data
- unarticulated — not articulated
- unassimilated — to take in and incorporate as one's own; absorb: He assimilated many new experiences on his European trip.
- uncapitalized — to write or print in capital letters letters or with an initial capital letter.
- uncentralized — to draw to or gather about a center.
- unchlorinated — not chlorinated; not treated with chlorine
- 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.
- undeliverable — capable of delivery.
- underinflated — lacking sufficient air pressure
- undescribable — to tell or depict in written or spoken words; give an account of: He described the accident very carefully.
- undeviatingly — to turn aside, as from a route, way, course, etc.
- undiagnosable — unable to be diagnosed
- undialectical — not dialectical; not resolving views; dogmatic
- undirectional — of, relating to, or indicating direction in space.
- undiscernable — capable of being discerned; distinguishable.
- undiscussable — to consider or examine by argument, comment, etc.; talk over or write about, especially to explore solutions; debate: to discuss the proposed law on taxes.
- undisguisable — to change the appearance or guise of so as to conceal identity or mislead, as by means of deceptive garb: The king was disguised as a peasant.
- undulationist — a subscriber to the theory that light is transmitted as waves
- unestablished — not established.