My Little Notebook

CENT, CENTI, CENTU a hundred; a hundredth part (L-R)
cent/en/arian (a) of or pertaining to one hundred years, or to one who is one hundred years old; (n) one who is one hundred years old or older
cent/ennial (a) lasting for or consisting of one hundred years; as, a centennial war, a centennial celebration, etc.; (n) the one hundredth anniversary of an event; as, the centennial of the Pilgrim's landing at Plymouth Rock
per/cent/age (n) that part of a whole thing as expressed in terms of so many or so much per hundred; as, a large percentage of the animals died during the storm
cent (n) the one-hundredth part of a basic monetary unit; as, one hundred cents make up a U.S. dollar; one hundred centesimiequal an Italian lira; one hundred centavos equal a Mexican peso; one hundred centimes are needed to equal a French franc
centi/grade (a) consisting of one hundred degrees, or having one hundred equal divisions; as, a centigrade thermometer; compare Fahrenheit
centi/gram (n) a metric measure of weight equal to one-hundredth of a gram
centi/liter (n) a metric measure of volume equal to one-hundredth of a liter
centi/meter (n) a measure of length equal to one-hundredth of a meter; .3937"
centu/ple (a) a hundredfold; (v) to multiply by one hundred

CHRON, CHRONO time (Gr-R)
chron/ic (a) of or pertaining to time; remaining for a long time; as, a chronic headache, fever, etc.; (n) a chronic patient
syn/chron/ize (v) to set at the same time; as, the soliders synchronized their watches so they would attack as a unit
chrono/logical (a) in order of when things took place in time; as, the historical events were placed in chronological order; compare alphabetical, numerical, and size orders
chrono/meter (n) a very accurate instrument for measuring time, as is the chronometer at the U.S. Naval Observatory in Washington D.C.
chrono/logy (n) the science that deals with the placement of dates, events, etc., in their proper order in time

CO-, COL-, COM-, CON-, COR- with; together; jointly (L-Pr)
co/oper/ate (v) to work together in some task; as, the scientists co-operated in their research
col/lab/or/ate (v) to work together, especially in some scientific or literary pursuit; as, the newspaper staff collaborated in an effort to produce a good biweekly
com/mot/ion (n) a great movement or disturbance; as, the commotion at the meeting was audible in the street below
con/cur (v) to agree on some matter; as, following the autopsy, the doctos did not concur as to the cause of death
cor/rode (v) to be slowly eaten away by rust, the action of acids, etc; as, certain metals tend to corrode more rapidly in damp areas