1. Marked by calm self-control (especially in trying circumstances); unemotional
   "stayed coolheaded in the crisis"
   - cool, nerveless

See also: composed

• bartonia
• Bartram Juneberry
• Bartramia
• Bartramia longicauda
• Bartramian sandpiper
• Baruch
• Baruch de Spinoza
• barunduki
• barycenter
• barycentre
• barye
• baryon
• baryon number
• baryonic
• Baryshnikov
• baryta
• barytes
• barytic
• barytone
• bas bleu
• bas mitzvah
• bas relief
• basal
• basal body temperature
• basal body temperature method