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English word biohazard comes from English hazard, English bio- (Life. Organic life.).

Biohazard etymology ?

Biohazard detailed word origin explanation

Dictionary entryLanguageDefinition
hazard English (eng) To expose to chance; to take a risk.. To risk (something); to venture, to incur, or bring on. (billiards) The act of potting a ball, whether the object ball (winning hazard) or the player's ball (losing hazard).. (golf) A sand or water obstacle on a golf course.. (historical) A type of game played with dice. [from 14th c.]. (obsolete) Anything that is hazarded or risked, such as a stake in [...]
bio- English (eng) Life. Organic life.
biohazard English (eng) A biological hazard; a source of risk due to some biological factor such as bacteria or human waste.

Words with the same origin as biohazard

Descendants of bio-
biochemical biochemistry biodegradable biodestructible biodiesel biodilution biodiversity bioelectric biofeedback biofriendly biofuel biogenic biogeophysical bioluminescent biomechanics biomedical bionics bionucleonic bioscan bioscope biosphere biosynthesis biotech bioweapon