16-letter words starting with i
- iridochoroiditis — inflammation of the iris and the choroid.
- irish free state — former name of the Republic of Ireland.
- irminger current — a branch of the North Atlantic Current, flowing N past the W coast of Iceland and then W.
- iron (iii) oxide — a red crystalline insoluble oxide of iron that occurs as haematite and rust and is made by heating ferrous sulphate: used as a pigment and metal polish (jeweller's rouge), and as a sensitive coating on magnetic tape. Formula: Fe2O3
- ironbridge gorge — a gorge formed by the river Severn in Shropshire; named after the Iron Bridge (1779), the first iron bridge of its kind in the world, now a monument to the Industrial Revolution
- irrefragableness — The quality or degree of being irrefragable.
- irregular galaxy — a galaxy with no specific form and a relatively low mass.
- irremediableness — The state or quality of being irremediable.
- irreplaceability — The quality of being irreplaceable; inability to be replaced; (frequently) uniqueness.
- irrepressibility — The quality of being irrepressible.
- irresistibleness — The quality of being irresistible.
- irresolvableness — The state or quality of being irresolvable.
- irresponsibility — said, done, or characterized by a lack of a sense of responsibility: His refusal to work shows him to be completely irresponsible.
- irretrievability — The state or quality of being irretrievable.
- irreversibleness — The state or quality of being irreversible.
- irrigation ditch — trench supplying land with water
- isle of portland — a rugged limestone peninsula in SW England, in Dorset, connected to the mainland by a narrow isthmus and by Chesil Bank: the lighthouse of Portland Bill lies at the S tip; famous for the quarrying of Portland stone, a fine building material. Pop (town): 12 000 (latest est)
- isoagglutination — the clumping of the red blood cells by a transfusion of the blood or serum of a genetically different individual of the same species.
- isoamyl benzoate — a colorless liquid, C 11 H 15 O 2 , having a sharp, fruitlike odor: used in cosmetics.
- isobutyl nitrite — butyl nitrite.
- isophthalic acid — a colorless, crystalline, slightly water-soluble solid, C 8 H 6 O 2 , the meta isomer of phthalic acid: used chiefly in the manufacture of resins and plasticizers.
- isoplastic graft — syngraft.
- isopropylbenzene — cumene.
- it is as well to — You say it is as well to think or do something when you are advising someone to think in a particular way or to take a particular action.
- it is early days — Early means near the beginning of something such as a piece of work or a process.
- it's all up with — there is no further hope for; the end is near for
- it's fair to say — You use fair in expressions such as It would be fair to say in order to introduce a statement which you believe to be true and reasonable.
- it's no accident — You begin a sentence with 'it's no accident' if you want to suggest that something was done deliberately or has a logical explanation, although it might give the impression of having happened by chance.
- italia irredenta — (usually initial capital letter) a member of an Italian association that became prominent in 1878, advocating the redemption, or the incorporation into Italy, of certain neighboring regions (Italia irredenta) having a primarily Italian population.
- italian dressing — a strongly flavored vinaigrette for salads, containing garlic, oregano, red peppers, etc.
- italian vermouth — sweet vermouth
- ivyleaf geranium — a geranium plant, pelargonium peltatum, with trailing leaves and white, pink, red, or violet flowers