14-Letter Words Starting: CE

• the act of consolidating power under a central control

• gathering to a center

• measurement of human heads

• one of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade names Mefoxin); addition of side chains has produced semisynthetic antibiotics with greater antibacterial activity

• a broad spectrum semisynthetic antibiotic produced by modifying cephalosporin

• the act of certifying or bestowing a franchise on

• confirmation that some fact or statement is true through the use of documentary evidence

• a document attesting to the truth of certain stated facts

• validating the authenticity of something or someone

• the process of separating substances of different densities by the use of a centrifuge