sydänpussineste

sydänpussi- (“pericardial”) +‎ neste (“fluid”)

• IPA^(key): /ˈsydænˌpusːiˌnesteˣ/, [ˈs̠ydæmˌpus̠ːiˌne̞s̠te̞(ʔ)]
• Rhymes: -este
• Hyphenation^(key): sydän‧pussi‧neste

sydänpussineste

1. pericardial fluid (fluid that reduces friction within the pericardium by lubricating the epicardial surface, allowing the membranes to glide over each other with each heartbeat)