(of a motion picture, photograph, drawing, etc.) black and white, as distinguished from color.
a black and white motion picture, photograph, drawing, etc.
warfare that makes use of bacteria, viruses, toxins, etc., to disable or destroy people, domestic animals, and food crops.
the use of living organisms or their toxic products to induce death or incapacity in humans and animals and damage to plant crops, etc BW
biological warfare n.
The use of disease-producing microorganisms, toxic biological products, or organic biocides to cause death or injury to humans, animals, or plants.
The use of biological agents as weapons in warfare. Also called germ warfare.
b.y. billion years
bill of exchange. abbreviation bill of exchange bill of entry bill of exchange
b/h bill of health Historical Examples On the assumption that a b/h typesetting error would be more likely, higgest has been amended to biggest. The Pioneer Trail Alfred Lambourne
abbreviation black and white black and white