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| ACTIVITY | | n. (pl. -ies) 1 being active; busy or energetic action.
- (often in pl.) Occupation or pursuit (outdoor activities).
- = *radioactivity. | |
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| ACTUALLY | | adv. - as a fact, really (not actually very rich).
- strange as it may seem (he actually refused!). | |
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| ADDENDUM | | n. (pl. -da) 1 thing to be added.
- material added at the end of a book. | |
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| ADDICTED | | adj. - (usu. Foll. By to) dependent on a drug etc. As a habit.
- devoted to an interest. addiction n. | |
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| ADDITION | | n. - adding.
- person or thing added. in addition (often foll. By to) also, as well (as). [latin: related to *add] | |
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| ADDITIVE | | n. Substance added to improve another, esp. To colour, flavour, or preserve food. [latin: related to *add] | |
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| ADENOIDS | | n.pl. Area of enlarged lymphatic tissue between the nose and the throat, often hindering breathing in the young. adenoidal adj. [greek aden gland] | |
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| ADEQUATE | | adj. Sufficient, satisfactory. adequacy n. Adequately adv. [latin: related to *ad-, *equate] | |
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| ADHERENT | | —n. Supporter. —adj. Sticking, adhering. adherence n. | |
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| ADHESION | | n. - adhering.
- unnatural union of body tissues due to inflammation. | |
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