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Irrorate

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• Irrotational

  [ir-oh-tey-shuh-nl] /ˌɪr oʊˈteɪ ʃə nl/ adjective 1. not having rotation. 2. Mathematics. (def 7).

• Irrupt

  [ih-ruhpt] /ɪˈrʌpt/ verb (used without object) 1. to break or burst in suddenly. 2. to manifest violent activity or emotion, as a group of persons. 3. (of animals) to increase suddenly in numbers through a lessening of the number of deaths. /ɪˈrʌpt/ verb (intransitive) 1. to enter forcibly or suddenly 2. (of a plant or […]

• Irruption

  [ih-ruhp-shuh n] /ɪˈrʌp ʃən/ noun 1. a breaking or bursting in; a violent incursion or invasion. 2. Ecology. a sudden increase in an animal population. n. 1570s, from Middle French irruption or directly from Latin irruptionem (nominative irruptio) “a breaking in, bursting in, invasion,” noun of action from past participle stem of irrumpere, from assimilated […]

• Irruptive

  [ih-ruhp-tiv] /ɪˈrʌp tɪv/ adjective 1. of, relating to, or characterized by . 2. or tending to . 3. Petrology. . /ɪˈrʌptɪv/ adjective 1. irrupting or tending to irrupt 2. of, involving, or causing irruption 3. (obsolete) (of igneous rocks) intrusive

• IRS

  1. Internal Revenue Service. abbreviation 1. (in the US) Internal Revenue Service 2. insulin resistance syndrome: a condition associated with diabetes mellitus in which higher than normal levels of insulin are present in the blood to compensate for the failure of normal insulin levels to perform their function also I.R.S., initialism of Internal Revenue Service, […]

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