author n. writer of a book, play, etc
authority n. power to give orders and make others obey
automate v. cause to operate by automation
available adj. that can be used or obtained
aware adj. ~ of sb/sth; ~ that... having knowledge or realization of sb/sth
behalf n. on behalf of sb/on sb's behalf; US in behalf of sb/in sb's behalf as the representative of or spokesman for sb; in the interest of sb
benefit n. profit; gain; future good (used esp with the vs and preps shown)
bias n. opinion or feeling that strongly favours one side in an argument or one item in a group orseries; predisposition; prejudice
bond n. written agreement or promise that has legal force; covenant
brief adj. lasting only a short time; short
bulk n. size, quantity or volume, esp when great
capable adj. having ability; able; competent
capacity n. ability to hold or contain sth
category n. class or group of things in a complete system of grouping
cease v. come or bring (sth) to an end; stop
challenge n. ~ (to do sth) invitation or call (to sb) to take part in a game, contest, fight etc to prove who is better, stronger, more able, etc
channel n. sunken bed of a river, stream or canal
chapter n. (usu numbered) division of a book
chart n. detailed map used to help navigation at sea, showing coasts, rocks, the depth of the sea, etc
chemical adj. of or relating to chemistry
circumstance n. condition or fact connected with an event or action
cite quote; commend
civil adj. of or relating to the citizens of a country
clarify v. (cause sth to) become clear or easier to understand
classic adj. having a high quality that is recognized and unquestioned; of lasting value and importance
clause n. group of words that includes a subject1(4a) and a verb, forming a sentence or part of a sentence
code n. (system of) words, letters, symbols, etc that represent others, used for secret messages or for presenting or recording information briefly
coherent adj. connected logically or consistent; easy to understand; clear
coincide v. ~ (of events) occur at the same time or occupy the same period of time as sth else
collapse v. fall down or in suddenly
colleague n. person with whom one works, esp in a profession or business
commence v. begin (sth); start
comment n. ~ written or spoken remark giving an opinion on, explaining or criticizing (an event, a person, a situation, etc)
commission n. ~ action, task or piece of work given to sb to do
commit v. do (sth illegal, wrong or foolish)
commodity n. thing bought in a shop and put to use, esp in the home
communicate v. ~ sth make sth known; convey sth
community n. the community the people living in one place, district or country, considered as a whole
compatible adj. ~ (of people, ideas, arguments, principles, etc) suited; that can exist together
compensate v. ~ for sth give (sb) sth good to balance or lessen the bad effect of damage, loss, injury,etc;
compile v. ~ sth (for/from sth) collect (information) and arrange it in a book, list, report, etc
complement n. ~ thing that goes well or suitably with sth else, or makes it complete
complex adj. made up of (usu several) closely connected parts
component n. any of the parts of which sth is made
compound n. thing made up of two or more separate things combined together
comprehensive adj. that includes everything
comprise v. have as parts or members; be made up of
compute v. ~ sth calculate sth with a computer
conceive v. become pregnant
concentrate v. ~ (sth) (on sth/doing sth) focus (one's attention, effort, etc) exclusively and intensely on sth, not thinking about other less important things
concept n. ~ idea underlying sth; general notion
conclude v. ~ (with sth) (usu fml ) come or bring (sth) to an end
concurrent adj. ~ existing, happening or done at the same time
conduct n. person's behaviour
confer v. ~ (with sb) (on/about sth) have discussions (esp in order to exchange opinions or get advice)
confine v. ~ sb/sth keep (a person or an animal) in a restricted space
confirm v. provide evidence for the truth or correctness of (a report, an opinion, etc); establish the truth of
conflict n. struggle; fight
conform v. ~ keep to or comply with (generally accepted rules, standards, etc)
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