BEST a.
od qualities in the highest degree; most good, kind, desirable, suitable, etc.; most excellent; as, the best man; the best road; the best cloth; the best abilities. When he is best, he is a little worse than a man. Shak. Heaven's last, best gift, my ever new delight. Milton.
BETTER adv. 2 definitions
In a superior or more excellent manner; with more skill and wisdom, courage, virtue, advantage, or success; as, Henry writes better than John; veterans fight better than recruits. I could have better spared a better man. Shak.
BI; BI- n.
In the composition of chemical names bi- denotes two atoms, parts, or equivalents of that constituent to the name of which it is prefixed, to one of the other component, or that such constituent is present in double the ordinary proportion; as, bichromate, bisulphide. Be- and di- are often used interchangeably.…