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11 Cards in this Set

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bicuspid

(adjective) having two cusps or points


(noun) a tooth with two cusps


Bicuspids are located in the front of the molars.

biped

(noun) an animal with two feet


Another form (adjective): bipedal


Humans and birds are two examples of bipedal animals.

bifocals

(noun) glasses with two focal lenses; glasses having onepart that corrects for near vision and one for distant vision


Benjamin Franklin was the inventor of bifocalglasses.

bilingual

(adjective) using or able to use two languages with equal fluency


There are lots of bilingual children’s books that help youngchildren learn to read and write in both languages.

bicentennial

(noun) a 200th anniversary, or its celebration


The Revolutionary War enthusiasts celebrated its bicentennial by re-enacting some of the most famous battles.

binocular

(adjective) involving both (2) eyes


(noun) binoculars: a handheld optical instrument composed of two telescopes and a focusing device and usually having prisms to increase magnifying ability


People who enjoy bird watching take binoculars with themso that they can see birds in far away trees.

duet

(noun) a piece of music performed by two singers or musicians


Sonny and Cher, and Donny and Marie Osmond are two couples who were famous for their duets.

dialogue

(noun) a conversation between two or more people


Movie writers create dialogue for their characters so thatactors know what they’re supposed to say and when.

duel

(noun) a contest or fight between two people; a contest with deadly weapons arranged between two people in order to settle a point of honor


Before there were laws about violence, men would dueleach other over matters of honor.

duplicity

(noun) dishonest behavior that is meant to tricksomeone; behavior that is “two-faced”Another form: (adjective) duplicitous


In “The Pirates of the Caribbean,” Captain Jack Sparrow has very duplicitous behavior. He acts all friendly and helpful, then steals things and betrays his friends!

Bi, du root meaning

two