Vocabulary Words
caution
B1noun, verb
A careful attention to the probable effects of an act, in order that failure or harm may be avoided (+15 more)
cave
B1interjection, noun, verb
(drilling) Debris, particularly broken rock, which falls into a drill hole and interferes with drilling. (+21 more)
CD
A1abbreviation (1), abbreviation (2), noun (1), noun (2), symbol
a small optical disk usually containing recorded music or computer data (+16 more)
ceiling
B2noun, verb
The highest altitude at which an aircraft can safely maintain flight. (+8 more)
celebrity
B1noun
A person who has a high degree of recognition by the general population for his or her success or accomplishments (+4 more)
cell
B1noun, verb
(communication) A region of radio reception that is a part of a larger radio network. (+27 more)
cello
B2noun
A large stringed instrument of the violin family with four strings, tuned from lowest to highest C-G-D-A, and played with a bow, also possessing an endpin to support the instrument's weight. (+1 more)
cent
A2noun
(money) A coin having face value of one cent (in either of the above senses). (+36 more)
center
A2adjective, noun, verb
A conical recess or indentation in the end of a shaft or other work, to receive the point of a center, on which the work can turn, as in a lathe. (+22 more)