leukocyte; leucocyte; white blood cell
base; basis; base (e.g. military); depot; base; base bag
to rearrange (classes); to recompose; to reset; to recombine (genes)
agglutination; adhesion; fusion; combination; blending; uniting
to manufacture; to produce; to raise (crops); to invent; to dream up; to create
strongest ever; most powerful in history
infection; contagion; becoming infected
critical (condition); serious
to cause; to induce; to bring about; to pull upright; to help up (e.g. a fallen person)
explosive; sudden and dramatic (of an increase in sales, popularity, etc.); explosive; rapid
air; atmosphere; mood; situation; someone with no presence; someone who doesn't stand out at all
pathogenic bacteria; germ; pathogen
bacterium; bacteria; germ
to take in; to bring in; to capture (e.g. image); to import; to win over; to please
pain; anguish; distress; suffering; hardship
to scatter; to disseminate (e.g. a rumor); to spread (e.g. germs); to distribute widely (e.g. leaflets); to hand out freely; to spend recklessly
10,000; ten thousand; myriad; everything; all; (arch.) various
unprecedented; never seen before
scale; scope; plan; structure
bioterrorism; biological terrorism
to scatter; to sprinkle; to distribute (handbills, etc.); to spread (rumours, etc.); to give the slip; to throw off
chip; microchip; chip (in poker, roulette, etc.); casino token; chip (shot); (wood) chip
to attempt; to test; to try out
laboratory testing bench; laboratory table; subject of an experiment; (human) guinea pig
to melt; to thaw; to fuse; to dissolve
happy; auspicious; propitious; naive
all people; everybody; ten thousand people
to refuse; to reject; to decline; to prevent (from doing); to deny (e.g. access); to block
doing; in such a state; doing together; doing to each other; familiarizing suffix (sometimes meaning "small")
to run away; to flee; to make off; to start to run away
turn (in line); order of things; sequential order
naturally; in due course; by itself; of its own accord
(a) step; one step; level; stage; small degree; small amount
apiece; each; at a time; piecemeal