Germ
81germ theory — n a theory in medicine: infections, contagious diseases, and various other conditions (as suppurative lesions) result from the action of microorganisms * * * the doctrine that infectious diseases are caused by microorganisms …
82germ warfare — germ war·fare wȯr .fe(ə)r n the use of harmful microorganisms (as bacteria) as weapons in war …
83germ warfare — n [U] the use of harmful ↑bacteria in war to cause illness and death among the enemy …
84germ warfare — noun uncount the use of bacteria and VIRUSES to kill large numbers of people during a war …
85germ cell — germ′ cell n. cbl a sexual reproductive cell at any stage from the primordial cell to the mature gamete • Etymology: 1850–55 …
86germ layer — germ′ lay er n. dvl any of the three primary embryonic cell layers Compare ectoderm,endoderm,mesoderm • Etymology: 1875–80 …
87germ plasm — germ′ plasm n. gen the substance of reproductive cells that contains chromosomes • Etymology: 1885–90 …
88germ theory — germ′ the ory n. 1) pat the theory that infectious diseases are due to the agency of germs or microorganisms 2) bio biogenesis • Etymology: 1870–75 …
89germ warfare — germ′ war′fare n. cvb mil biological warfare • Etymology: 1935–40 …
90germ warfare — ► NOUN ▪ the use of disease spreading micro organisms as a military weapon …