18-letter words containing iona
- occupational group — An occupational group is a category used by insurance companies to classify jobs according to how hazardous they are.
- operationalisation — Alternative spelling of operationalization.
- operationalization — The act or process of operationalizing.
- perlocutionary act — the action of affecting someone by uttering certain words
- post-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- prepositional verb — a combination of verb and preposition, often with idiomatic meaning, differing from other phrasal verbs in that an object must always follow the preposition, as take after in The children take after their mother.
- processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- proportional limit — elastic limit.
- rational operation — any of the mathematical operations of addition, subtraction, multiplication, and division.
- regional enteritis — Crohn's disease.
- relational algebra — (database, theory) A family of algebra with a well-founded semantics used for modelling the data stored in relational databases, and defining queries on it. The main operations of the relational algebra are the set operations (such as union, intersection, and cartesian product), selection (keeping only some lines of a table) and the projection (keeping only some columns). The relational data model describes how the data is structured.
- reversionary bonus — a bonus added to the sum payable on death or at the maturity of a with-profits assurance policy
- revolutionary wars — American Revolution.
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- rotational latency — (storage, hardware) The time for the start of the required sector on a disk to appear underneath the read/write head. The worst case is where it has just passed the head when the request is received. For a disk drive with N heads per surface, rotating at R revolutions per minute, the average rotational latency will be L = 30/NR seconds. Rotational latency is one component of access time.
- rotational molding — a method for molding hollow plastic objects by placing finely divided particles in a hollow mold that is rotated about two axes, exposing it to heat and then to cold.
- science dictionary — a specialized dictionary covering terms in the life, earth, and physical sciences, such as the online Science Dictionary on Dictionary.com. A science dictionary includes many technical terms with precise, specialized meanings—terms not normally found in general dictionaries—making it an invaluable resource for students and professionals in scientific fields.
- self-instructional — pertaining to or constituting learning materials and conditions arranged so that students can proceed to learn on their own with little or no supervision.
- stationary bicycle — an exercise bike
- the grand national — an annual steeplechase run at Aintree, Liverpool, since 1839
- the internationale — a revolutionary socialist hymn, first sung in 1871 in France
- traditional option — an option that once purchased cannot be resold
- traditional policy — a life assurance policy in which the policyholder's premiums are paid into a general fund and his or her investment benefits are calculated according to actuarial formulae
- traditional weapon — a weapon having ceremonial tribal significance, such as an assegai or knobkerrie
- unconstitutionally — not constitutional; unauthorized by or inconsistent with the constitution, as of a country.
- unix international — (body) (UI) A consortium including Sun, AT&T and others formed to promote an open environment based on Unix System V, including the Open Look windowing system.
- zion national park — a park in SW Utah. 148 sq. mi. (383 sq. km).