Answer:

microbes

Answer	Crossword Clue
MICROBES	Bugs
MICROBES	Dr. Waksman's subject.
MICROBES	Germs.

MICROBES	Tiny animals.
MICROBES	Tiny organisms.
MICROBES	1,099 regal garments
MICROBES	Disease-causing bacteria

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.