systole /sisˈto-lē or -tə-lē/

1. Rhythmical contraction, esp of the heart, opp to diastole (physiology)
2. Collapse of the nucleus in mitosis
3. The shortening of a long syllable (grammar)

systolic /-tolˈik/ adjective

• robustest
• robustious
• robustiously
• robustiousness
• robustiousnesses
• robustly
• robustness
• robustnesses
• roc
• ROC
• rocaille
• rocailles
• rocambole
• rocamboles
• Roccella
• roch
• Roche limit
• Rochelle
• Rochelle-powder
• Rochelle-salt
• roche moutonnée
• roche moutonnéed
• roches
• roches moutonnées
• rochet