the smallest unit of a chemical element

smallest part of something

(a part of) a tool used for boring or drilling holes

tiny piece

a very small piece (of bread, cake etc)

tiny bit, morsel

a small quantity (of paint etc) dabbed on something

small quantity

a unit of measurement of weight (16 grams equals 1 ounce)

sip

a very small amount (of liquid)

globule

the small, hard seed of food plants such as wheat and rice

seed, piece

an extremely small part

small bit

a note with half the value of a semibreve

bit

a kind of very small creature that can carry disease; small especially poor child; a very small or modest contribution or offering

small insect

an egg of a louse etc (e.g. as found in the human hair)

small insect

a very small bit; any (usually short) word that is not a verb, subject or object but is a necessary part of a phrase, sentence or verb

atom, piece

a very small payment

small amount

a small strip or piece scraped, torn or broken off something; a very small amount; to tear (paper, cloth) into small pieces

tiny piece

a little knowledge (of)

small amount

into very small pieces

atom, piece

a small piece cut off; small amounts (of information, news etc)

particle

a very small sport or piece (of dirt etc); a small visible spot

tiny bit

a small round mark on a surface; a dirty mark; a small drop (of liquid); a particular place; to recognize or notice (a person, thing) suddenly; to mark something with spots

mark, stain

a mark, sign etc showing that a person or thing has been present, that something has existed or happened; a very small amount; to draw along, follow, the course, outline etc of (something)

evidence; small bit