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ad hoc
/ˌæd ˈhɑːk/
adjective
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arranged or happening when necessary and not planned in advance
- an ad hoc meeting to deal with the problem
- The meetings will be held on an ad hoc basis.
Origin:
Latin, literally ‘to this’.
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encompass
/ɪnˈkʌmpəs/
verb
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encompass something to include a large number or range of things
- The job encompasses a wide range of responsibilities.
- The group encompasses all ages.
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encompass something to surround or cover something completely
- The fog soon encompassed the whole valley.
Origin:
Middle English (formerly also as incompass): from en-, in- ‘within’ + compass.
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lament
/ləˈment/
verb
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lament something | lament that… | + speech to have or express very sad feelings about somebody/something // SYNONYM bemoan, bewail
- In the poem he laments the destruction of the countryside.
- She sat alone weeping, lamenting her fate.
Origin:
late Middle English (as a verb): from French lamenter or Latin lamentari, from lamenta (plural) ‘weeping, wailing’.
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periphery
/pəˈrɪfəri/
noun
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the outer edge of a particular area
- [on the periphery of something] industrial development on the periphery of the town
- The condition makes it difficult for patients to see objects at the periphery of their vision.
- Extensive new planting is taking place around the periphery of the site.
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the less important part of something, for example of a particular activity or of a social or political group
- [on the periphery of something] minor parties on the periphery of American politics
Origin:
late 16th cent. (denoting a line that forms the boundary of something): via late Latin from Greek periphereia ‘circumference’, from peripherēs ‘revolving around’, from peri- ‘around’ + pherein ‘to bear’.
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touchstone
/ˈtʌtʃstəʊn/
noun
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touchstone (of/for something) something that provides a standard against which other things are compared and/or judged
- the touchstone for quality
- Grammar was regarded as the touchstone of all language performance.
- He has been a guiding beacon in my life and a touchstone of human integrity.
- She remained for them a touchstone of good sense.
- The nineteenth-century struggle to reconstitute Poland was a touchstone for liberals and socialists alike.
- The way medicines are sold has become one of the touchstone issues of modern capitalism.