Wiktionary英语词典
收录 1,329,381 个英语单词，来自Wiktionary的英文释义、IPA发音、词源、词形变化和词汇关系数据
Q开头单词
(共7,126个)
plural of quadrathlete
quadrathlon
英 /kwɒˈdɹæθlɒn/
A contest involving four successive events, usually swimming, kayaking, cycling, and running.
plural of quadrathlon
plural of quadratus
Square-shaped.
Synonym of squaric acid.
A polynomial equation of the second degree; an equation that can be rearranged in standard form as a...
plural of quadratic equation
A number field that is an extension field of degree two over the rational numbers.
plural of quadratic field
A homogeneous polynomial of degree 2 in a given number of variables.
plural of quadratic form
The formula x=(-b±√)/(2a) for finding roots of the quadratic equation.
plural of quadratic formula
plural of quadratic formula
Any function whose value is the solution of a quadratic polynomial
plural of quadratic function
A number (real or complex) which is a solution to an equation of the form x²+Bx+C=0 for some integer...
plural of quadratic integer
A type of average, calculated as the square root of the mean of the squares, i.e. Q=√x_1²+x_2²+...+x...