strengthener
UKstəŋθenər
معنی فارسی
تقويت دادن نيرو بخشيدن قوت دادن قوي (تر) کردن تقويت يافتن
تعریف انگلیسی
noun
- a device designed to provide additional strength “the cardboard backing was just a strengthener” “he used gummed reinforcements to hold the page in his notebook”