Longman Dictionary of Contemporary English homepage

Topic: BIOLOGY

cold-blooded

 adjective
     
cold-blooded
1 not showing or involving any emotions or pity for other people's suffering:
a cold-blooded killer
2HB a cold-blooded animal, such as a snake, has a body temperature that changes with the temperature of the air or ground around it [↪ warm-blooded]
—cold-bloodedly adverb
—cold-bloodedness noun [uncountable]
Definition of cold-blooded from the Longman Dictionary of Contemporary English within
the topic BIOLOGY
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