English ⇄ English Russian

addn abbr. stresses
Gruzovik, scient.	присадка (abbreviation for "addition"); добавка (abbreviation for "addition")
English thesaurus
addn abbr.
abbr.	additional (дополнительный, добавочный Углов)
auto.	addition
addn. abbr.
abbr.	addition
abbr., plast.	addendum