Vocabulary Words
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B1noun, verb
A count backward in fixed units to the time of some event, especially the launch of a space vehicle. (+3 more)
diplomacy
B1noun
Tact and subtle skill in dealing with people so as to avoid or settle hostility. (+1 more)
flotation
B1noun
(chemical engineering) A process of separating minerals by agitating a mixture with water and detergents etc (+4 more)
anthropic
B2adjective
Of or pertaining to mankind or humans, or the period of humanity's existence.
donor
B1noun
A group or molecule that donates either a radical, electrons or a moiety in a chemical reaction. Compare acceptor. (+1 more)
explicit
B1adjective
Containing material (e.g. language or film footage) that might be deemed offensive or graphic. (+1 more)
flint
B1noun, verb
A hard, fine-grained quartz that fractures conchoidally and generates sparks when struck. (+5 more)
fundraiser
B1noun
An event undertaken to get money by voluntary contributions for a particular activity, such as equipment for extracurricular sports programs, or to defray laboratory costs (salaries) for research of a cure for a particular disease. (+1 more)