b and w

or B and W, b&w, B&W

adjective

(of a motion picture, photograph, drawing, etc.) black and white, as distinguished from color.

noun

a black and white motion picture, photograph, drawing, etc.

Words nearby b and w

b & b, b & w, b and b, b and e, b and s, b and w, b battery, b bursary, b cell, b chain, b chromosome

Definition for b.w. (2 of 2)

biological warfare

noun

warfare that makes use of bacteria, viruses, toxins, etc., to disable or destroy people, domestic animals, and food crops. Abbreviation: B.W.
Also called biowarfare, germ warfare.

Origin of biological warfare

First recorded in 1945–50

British Dictionary definitions for b.w.

biological warfare

noun

the use of living organisms or their toxic products to induce death or incapacity in humans and animals and damage to plant crops, etc Abbreviation: BW

Medical definitions for b.w.

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.

Cultural definitions for b.w.

biological warfare

The use of biological agents as weapons in warfare. Also called germ warfare.