1. Being in the exact middle
   - midmost

See also: central

• silicate
• siliceous
• silicic
• silicic acid
• silicide
• silicification
• silicify
• silicious
• silicle
• silicon
• silicon bronze
• silicon carbide
• silicon chip
• silicon dioxide
• silicon oxide
• Silicon Valley
• silicone
• silicone polymer
• silicone resin
• silicone rubber
• silicosis
• siliqua
• silique
• silk
• silk cotton