intensive
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adjective
1. concentrated on a single area or subject or into a short time; very thorough or vigorous:
集中的な〈講座･訓練など〉; 徹底的な, 激しい
e.g. she undertook an intensive Arabic course
e.g. eight days of intensive arms talks.
(of agriculture) aiming to achieve the highest possible level of production within a limited area, especially by using chemical and technological aids:
集約的な
e.g. intensive farming. Often contrasted with extensive (sense 2) .
usually in combination (typically in business and economics) concentrating on or making much use of a specified thing:
e.g. computer-intensive methods.
2. Grammar (of an adjective, adverb, or particle) expressing intensity; giving force or emphasis.
〘文法〙 強意, 強調の
3. chiefly Physics denoting a property which is measured in terms of intensity (e.g. concentration) rather than of extent (e.g. volume), and so is not simply increased by addition of one thing to another.
noun Grammar
an intensive adjective, adverb, or particle; an intensifier.
DERIVATIVES
intensiveness noun
ORIGIN
late Middle English (in the sense ‘vehement, intense’): from French intensif, -ive or medieval Latin intensivus, from intendere (see intend).
USAGE
On the difference between intensive and intense, see usage at intense.