[meg-uh-deth] /ˈmɛg əˌdɛθ/
a unit of one million : used in estimating or predicting the fatalities that would occur in a nuclear war.
the death of a million people, esp in a nuclear war or attack
1953, from mega- in scientific sense (one million) + death (n.). The death of one million persons, as a measure of the effectiveness of nuclear weapons. The resulting pile of dead bodies would be a megacorpse, according to writings on the topic.
[meg-uh-dont] /ˈmɛg əˌdɒnt/ adjective 1. .
[meg-uh-don-shuh, -shee-uh] /ˌmɛg əˈdɒn ʃə, -ʃi ə/ noun 1. .
[mi-drok-see-proh-jes-tuh-rohn] /mɪˌdrɒk si proʊˈdʒɛs təˌroʊn/ noun, Pharmacology. 1. a derivative, C 2 4 H 3 4 O 4 , used in the treatment of abnormal uterine bleeding and secondary amenorrhea, as a contraceptive of long duration, and in the treatment of certain cancers.
[meg-uh-i-lek-tron] /ˌmɛg ə ɪˈlɛk trɒn/ noun, Physics. 1. .