B vitamin
noun
: any vitamin of the vitamin B complex
Word History
First Known Use
1920, in the meaning defined above
Medical Definition
B vitamin
noun
: any vitamin of the vitamin B complex
- (as) dull as ditchwater
- (as) easy as ABC
- (as) easy as falling off a log
- (as) easy as pie
- (as) good as new
- (as) guilty as sin
- (as) guilty/miserable/ugly as sin
- (as) happy as a clam
- (as) hard/tough as nails
- (as) keen as mustard
- (as) large as life
- (as) near as someone can tell/figure
- (as) plain as day
- (as) plain as the nose on your face
- (as) pleased as punch
- (as) pretty as a picture
- (as) pure as the driven snow
- (as) quick as a wink
- (as) right as rain
- (as) sick as a dog
- (as) smooth as silk
- (as) sober as a judge
- (as) solid as a rock
- (as) sound as a bell
- (as) stubborn as a mule