transcription, транскрипция: [ əb-ˈstrüs, ab- ]
adjective
Etymology: Latin abstrusus, from past participle of abstrudere to conceal, from abs-, ab- + trudere to push — more at threat
Date: 1599
: difficult to comprehend : recondite
the abstruse calculations of mathematicians
• ab·struse·ly adverb
• ab·struse·ness noun