Relating to or serving the purpose of abbreviation; tending to shorten or condense.
From 'abbreviate' + '-ory' (Latin suffix meaning 'relating to'). This adjectival form creates a scholarly term rarely used outside academic or historical contexts.
This is a delightfully obscure adjective—grammatically perfect but practically useless because English speakers just say 'shortening' or 'condensing' instead, showing how not all possible English words actually survive.
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