増ぞう大だい号ごう

ぞ

う

だ

い

ご

う

Meanings

1

noun

enlarged issue; special expanded edition

Used for magazines, journals, or other periodicals that are published with extra pages or content beyond the usual format.

increase, add, augment

大large, big

号nickname, number, item

増ぞう刊かん号ごう
増刊号 is a special supplementary issue published outside the regular schedule, while 増大号 is an expanded regular issue.
特とく大だい号ごう
特大号 is a 'super-sized' or 'extra-large' issue, often implying a physically thicker or more substantial edition, similar to 増大号 but with a stronger emphasis on size.

Compound of 増大 (increase, enlargement) and 号 (issue, number). The reading ぞうだいごう follows standard on'yomi.