multigrade

(redirected from multigrades)

multigrade

(ˈmʌltɪˌɡreɪd)
n
1. (Photography) a brand of black and white photographic paper coated with a mixture of emulsions which are sensitive to the colour of the printing light used and which produce different contrast grades as a result
2. (Mathematics) a Diophantine mathematical equation or its solution
adj
3. (Photography) designating equipment designed to be used with multigrade photographic paper
4. (Mathematics) designating a Diophantine mathematical equation
5. (Automotive Engineering) (of an engine oil) treated with polymer additives in order to improve performance by limiting changes in viscosity at different temperatures
6. (Education) dialect US of or relating to a class which includes students from more than one grade
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Mentioned in ?
References in periodicals archive ?
This can be caused by using a thick base oil meant for multigrades during the course of the blending (the process of manufacturing lubricants).
Engine oils can be graded into mono and multigrade. The results show that E1, E2, E3 and E5 were monograde oils while E4 was the only multigrade oil [16,17].
E4, with V.I 107 is expectedly lower as a multigrade oil.
(ASTM 1998 ,Chevron 2009) E2 and E5 are are found below the standards for multigrade oils.
The E4 value also indicates a multigrade oil type [23,24].
Sets of numbers where not only their sums are equal but the sums of other powers are also equal have been called multigrades (Bolt, 1982).
which is one of the second-order multigrades from the original magic square.
Your students should try to discover more multigrades and verify their properties using a calculator.
To see why this is true consider the general third-order multigrade