| biosafety | (noun) safety from exposure to infectious agents | - |
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| safety | (noun) (baseball) the successful act of striking a baseball in such a way that the batter reaches base safely | Synonyms: base hit |
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| (noun) a score in American football; a player is tackled behind his own goal line | - |
| (noun) a device designed to prevent injury or accidents | Synonyms: guard, safety device |
| (noun) contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse | Synonyms: condom, prophylactic, rubber, safe |
| (noun) a safe place | Synonyms: refuge |
| (noun) the state of being certain that adverse effects will not be caused by some agent under defined conditions | - |