21-letter words containing a, b, i, u
- spicebush swallowtail — a swallowtail butterfly, Papilio troilus, having a dark body with yellow spots on the forewings and greenish hind wings.
- subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
- submerged arc welding — a type of heavy electric-arc welding using mechanically fed bare wire with the arc submerged in powdered flux to keep out oxygen
- subsistence allowance — money given in advance to a new soldier, employee, etc., to buy food, clothing, and pay for other necessities while awaiting a first pay.
- substitution instance — an expression so derived from another
- substitution reaction — the replacement of an atom or group of atoms in a compound by another atom or group.
- supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
- take sb/sth seriously — If you take someone or something seriously, you believe that they are important and deserve attention.
- tetrabromofluorescein — eosin (def 1).
- threatening behaviour — intimidation or intentional behaviour that causes another person to fear injury or harm
- three-quarter binding — a binding in which the material used for the back extends further over the covers than in half binding.
- trustee in bankruptcy — a person appointed by a court to administer the property of a bankrupt.
- tubercular meningitis — an infection of the membranes of the central nervous system caused by the bacterium Mycobacterium tuberculosis; features can include fever, headache, and coma
- undesirable discharge — a discharge under other than honorable conditions of a person from military service by administrative action.
- uniform business rate — a local tax in the UK paid by businesses, based on a local valuation of their premises and a rate fixed by central government that applies throughout the country
- william of malmesbury — William of, William of Malmesbury.
- writ of habeas corpus — law: petition for hearing