13-letter words containing l, a, u, n, d
- 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)
- sunday school — a school, now usually in connection with a church, for religious instruction on Sunday.
- supercalender — a roll or set of rolls for giving a high, smooth finish to paper.
- ten-yard rule — the rule allowing a referee, when a player disputes the award of a penalty or free kick, to penalize the offending side further by moving the place from which the kick is to be taken ten yards further forward
- thundersquall — a combined squall and thunderstorm.
- trade council — a central council composed of local trade unions.
- trade journal — periodical of a profession
- 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
- unaccelerated — to cause faster or greater activity, development, progress, advancement, etc., in: to accelerate economic growth.
- unadulterated — not diluted or made impure by adulterating; pure: unadulterated maple syrup.
- unarticulated — not articulated
- unassimilated — to take in and incorporate as one's own; absorb: He assimilated many new experiences on his European trip.
- uncamouflaged — the act, means, or result of obscuring things to deceive an enemy, as by painting or screening objects so that they are lost to view in the background, or by making up objects that from a distance have the appearance of fortifications, guns, roads, etc.: Was camouflage used extensively on fighter aircraft during World War I?
- 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
- uncommendable — not able to be commended; unworthy of commendation; reprehensible
- uncommendably — in an uncommendable manner
- 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.
- under a cloud — a visible collection of particles of water or ice suspended in the air, usually at an elevation above the earth's surface.
- under a spell — in a trance
- under-planned — a scheme or method of acting, doing, proceeding, making, etc., developed in advance: battle plans.
- underclassman — a freshman or sophomore in a secondary school or college.
- underinflated — lacking sufficient air pressure
- undermodulate — to reproduce (a sound or signal) at below the optimal output level in a recording or broadcasting system, causing it to be distorted.
- understatedly — in an understated manner
- undescendable — unable to be descended or walked upon
- 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.
- unfacilitated — to make easier or less difficult; help forward (an action, a process, etc.): Careful planning facilitates any kind of work.
- unideological — not having, belonging to, or relating to any particular ideology or belief system
- unilluminated — not lit up or bright with light
- unillustrated — not containing illustrations
- unimak island — an island in SW Alaska, in the E part of the Aleutian Islands: largest and easternmost of the Aleutian Islands. About 70 miles (110 km) long and 20 miles (32 km) wide.
- unlearnedness — the quality or condition of being unlearned
- unmanipulated — not manipulated
- unmedicinable — not able to be treated with medicine
- unmetabolised — not metabolised