Meanings

side chain

chain drive

measuring chain

temporary closing of classes

(national) isolationism

(national) isolationism

Streptococcus viridans

hemolytic streptococcus

Ninja weighted chain weapon

chain line

streptococcus

human chain (chain of people holding hands, usually in protest)

European adder (Vipera berus)

viper (esp. a pitless viper)

asp viper (Vipera aspis)

closed circuit rebreather

semiclosed system

closed circuit

semiclosed rebreather

(military) base closing