13-letter words containing o, r, d, a, i
- infrigidation — (obsolete) The act of chilling or making cold; congelation.
- insubordinate — not submitting to authority; disobedient: an insubordinate soldier.
- interchondral — of or relating to cartilage or a cartilage.
- intercondylar — Anatomy. the smooth surface area at the end of a bone, forming part of a joint.
- intermediator — to act as an intermediary; intervene; mediate.
- intermodalism — pertaining to or suitable for transportation involving more than one form of carrier, as truck and rail, or truck, ship, and rail.
- ironing board — a flat, cloth-covered board or other surface, often foldable and having legs, on which clothing, linens, or similar articles are ironed.
- isocarboxazid — a potent monoamine oxidase inhibitor, C 12 H 13 N 3 O 2 , used to treat severe depression.
- jodhpuri coat — a coat worn by men in India, similar to but shorter than a sherwani
- jordan engine — a machine for beating and refining pulp, used in manufacturing certain grades of paper.
- korf, richard — Richard Korf
- ladino clover — a giant variety of white clover, Trifolium repens lodigense, used for pasture and hay.
- landing force — the ground forces of an amphibious task force that effect the assault landing in an amphibious operation.
- landownership — an owner or proprietor of land.
- latent period — Also, latency period. Pathology. the interval between exposure to a carcinogen, toxin, or disease-causing organism and development of a consequent disease.
- lepidopterans — Plural form of lepidopteran.
- lexical order — the arrangement of a set of items in accordance with a recursive algorithm, such as the entries in a dictionary whose order depends on their first letter unless these are the same in which case it is the second which decides, and so on
- life-or-death — life-and-death.
- liquid storax — a solid resin with a vanillalike odor, obtained from a small tree, Styrax officinalis: formerly used in medicine and perfumery.
- lizard orchid — a European orchid, Himantoglossum hircinum, rare in Britain, having a spike of grey-green flowers smelling of goats
- losing hazard — an unavoidable danger or risk, even though often foreseeable: The job was full of hazards.
- lounge lizard — a foppish man who frequents bars, cafés, hotel lounges, etc., with or in search of women.
- macrodiagonal — the longer of two diagonals
- macrodynamics — Large-scale dynamics.
- macropinacoid — a crystalline pinacoid which runs parallel to the longer horizontal axis
- madeira topaz — citrine (def 2).
- madre de dios — a river in Peru and Bolivia, flowing E to the Beni River. 900 miles (1450 km) long.
- maid of honor — an unmarried woman who is the chief attendant of a bride. Compare matron of honor.
- mail exploder — (messaging) Part of an electronic mail delivery system which allows a message to be delivered to a list of addresses. Mail exploders are used to implement mailing lists. Users send messages to a single address and the mail exploder takes care of delivery to the individual mailboxes in the list.
- major medical — insurance designed to compensate for particularly large medical expenses due to a severe or prolonged illness, usually by paying a high percentage of medical bills above a certain amount.
- maladroitness — lacking in adroitness; unskillful; awkward; bungling; tactless: to handle a diplomatic crisis in a very maladroit way.
- mandatoriness — The quality or state of being mandatory.
- mandibuliform — Having the form of a mandible; - said especially of the maxill\u00e6 of an insect when hard and adapted for biting.
- matchboarding — a construction of matchboards.
- material mode — the normal use of language that refers to extra-linguistic subjects without explicit mention of the words themselves. Fido is a dog is in the material mode, while "Fido" is a dog's name is in the formal mode
- measuring rod — ruler, gauge, stick for measuring
- medical board — a group of people qualified to give opinions on medical matters
- medium quarto — a size of book, about 9½ × 12 inches (24 × 30 cm), untrimmed. Abbreviation: medium 4to.
- melodramatics — Melodramatic behavior, action, or writing.
- melodramatist — A writer of melodramas.
- melodramatize — to make melodramatic.
- meridionality — the quality or state of being on the meridian
- metronidazole — a synthetic antimicrobial substance, C 6 H 9 N 3 O 3 , used chiefly in the treatment of infections, such as Trichomonas vaginalis and certain anaerobic bacterial infections.
- mid glamorgan — a county in S Wales. 393 sq. mi. (1019 sq. km).
- mid-victorian — of, relating to, or characteristic of the middle portion (about 1850 to 1890) of the reign of Queen Victoria (reigned 1837–1901) in England: mid-Victorian writers.
- milford haven — a bay in SW Wales.
- miscoordinate — of the same order or degree; equal in rank or importance.
- misdemeanours — Plural form of misdemeanour.
- mitochondrial — (cytology) Of, or relating to mitochondria.
- model railway — a model of a small-scale railway system, often with toy moving trains